Binding of Isaac: Rebirth Wiki
Binding of Isaac: Rebirth Wiki

For all Tech items, check Tech (disambiguation)

Technology 2 is a passive item.


  • Replaces the character's right eye tears with an unlimited range piercing laser which fires continuously, dealing damage 15 times per second.
  • Removed in Repentance x0.65 Damage multiplier.
  • Removed in Repentance The laser deals 20% of Isaac's damage per tick.
    • Removed in Repentance This compounds with the damage down for a total of 13% of Isaac's damage per tick.
  • Added in Repentance Only the laser deals 13% of Isaac's damage per tick.
  • Added in Repentance Tears fired per second * (2/3).
  • Added in Repentance Laser is able to knock back enemies.


  • Tear delay is effectively doubled, as Isaac will do a bit of the animation to fire a right eye tear, but no tear will come out.
  • Charged shots are not affected by the effective tear delay down, as they don't use the alternative left eye/right eye fire scheme.
  • Removed in Repentance As Cain Cain can only fire tears from his right eye, Technology 2 will replace his tears altogether unless he has 15►Technology Technology or a charged attack.
    • Added in Repentance When used by Cain, or a character that is forced to fire from one eye due to the effects of Added in Repentance15►Stapler Stapler or Added in Afterbirth †15►Lead Pencil Lead Pencil, they will fire 15►Technology Technology lasers out of their right eye instead of their normal tears, as long as they have no other items that replace their tears. These lasers cannot be angled with momentum.
      • If 21.9965x21.9965pxChocolate Milk is obtained, a tear can be charged and released normally along with the laser.
  • Because Lilith Lilith is blindfolded and relies on her Added in Afterbirth15►Incubus Incubus, the only effect gained from Technology 2 is the Removed in Repentance damage down Added in Repentance tears down.
    • Unlike regular Lilith, Tainted Lilith Tainted Lilith gains the standard laser from her head as well as the tears from the demonic baby.
  • Unlike 15►Technology Technology, Technology 2 doesn't override Azazel Azazel-inherent Brimstone and the laser can be fired while the Brimstone is charged.
    • Added in Afterbirth Technology wraps around Brimstone beams and does not override Azazel's Brimstone.
  • The laser can apply status effects very efficiently due to its high tick rate.


  • Added in Afterbirth15►8 Inch Nails 8 Inch Nails / Added in AfterbirthBlister Blister / 15►Pisces Pisces: The laser will consistently push back enemies.
  • 15►Blood Clot Blood Clot / 15►Chemical Peel Chemical Peel: Since Isaac's right eye is replaced by Technology 2, he can only fire tears from his left eye, which gives all his tears higher damage and range.
  • 15►Chocolate Milk Chocolate Milk: The laser fires while Chocolate Milk charges at normal rate.
  • Added in Repentance 15►Cricket's Body Cricket's Body/ 15►The Parasite The Parasite: The laser will rapidly split into small low damage tears upon impact with an enemy or obstacle.
  • 15►Cursed Eye Cursed Eye: The laser fires while Cursed Eye charges at normal rate, retaining the teleporting effect.
  • 15►Epic Fetus Epic Fetus: The laser fires while the missiles are being aimed.
  • Added in Afterbirth15►Explosivo Explosivo A chance of attaching explosive tears to enemies when they laser touches them.
  • 15►Fire Mind Fire Mind: Laser will set enemies on fire but will not explode.
  • Homing tears: Gives homing laser and tears.
  • 15►Ipecac Ipecac: Laser damage increases dramatically while also gaining the poison effect.
  • Added in Repentance Added in Afterbirth †15►Lachryphagy Lachryphagy: The laser has it's range shortened, but rapidly creates and feeds tears.
  • 15►Lost Contact Lost Contact: The laser destroys all hostile projectiles that come into contact with it.
  • 15►The Ludovico Technique The Ludovico Technique: Isaac simultaneously controls a tear and fires the laser; however, Isaac will only fire the Technology 2 laser in the direction that the tear is currently facing.
  • Added in Afterbirth15►A Lump of Coal A Lump of Coal: Damage increases the further away the enemy is, on a multiplier that is roughly +20% per tile of distance. This allows for mitigation of damage penalty from longer distances.
  • Added in Afterbirth15►Marked Marked: Isaac simultaneously controls a big red target on the ground and fires the laser in the cardinal directions.
    • Added in Repentance The laser now continuously fires towards the crosshair along with tears.
  • 15►Mom's Knife Mom's Knife: The laser fires while the Knife charges at normal rate.
  • 15►Monstro's Lung Monstro's Lung: The laser fires while Monstro's Lung charges at normal rate. No reduction in tear burst size.
  • Added in Afterbirth 15►Rubber Cement Rubber Cement: Laser bounces off of walls.
  • Added in Afterbirth15►Tech X Tech X: Equips both laser systems.
  • Removed in Repentance 15►Technology Technology: Equips two lasers that can be fired at the same time. As Technology is always fired from the right eye, it is not affected by the halved normal attack rate.
    • Added in Repentance Technology is affected by the fire rate multiplier. Holding 15►Stapler Stapler, 15►Lead Pencil Lead Pencil or playing as Cain Cain will allow you to angle shots with momentum again.
  • 15►Tiny Planet Tiny Planet: The laser spirals around Isaac once and then goes straight again.
  • Added in Afterbirth15►The Wiz The Wiz: Tears are fired diagonally while the laser is fired straight forward.


  • Azazel Azazel: The Technology 2 laser continuously fires as Azazel charges his Brimstone. Removed in Repentance Damage is still reduced.
  • 15►Brimstone Brimstone: Overrides Technology 2, but retains the reduced damage.
    • Added in Afterbirth Laser fires continuously while Brimstone charges at normal rate.
  • Added in Afterbirth15►Incubus Incubus: Decreases damage of Incubus' tears; Incubus does not fire a continuous laser.
  • Removed in Repentance Added in Afterbirth †15►Lead Pencil Lead Pencil: Isaac loses the ability to fire tears from the remaining eye, identical to Cain's downside.
    • Added in Repentance Replaces tears with lasers similar to Technology. These are shot from the eye that shoots Technology 2, doing damage alongside the Technology 2 beam.
  • Added in Afterbirth 15►My Reflection My Reflection: Laser is bent in the opposite direction as Isaac moves sideways, then gradually becomes straight as he stands still.
    • Added in Repentance The laser makes a thin loop in front of Isaac, and fires the normal laser backwards.
  • Added in Repentance Added in Afterbirth †15►Pop! Pop!: Pop tears fire separate from laser, the laser has drastically reduced range, and an eyeball tear is created at the end of the laser each shot.
  • Removed in Repentance 15►Soy Milk Soy Milk: Both damage reductions are applied, along with removing one eye's worth of tears.

In-game Footage[]

Unlockable Achievements[]



Bug Bug! Technology 2 prevents Lead Pencil and normal tears from firing.


PC2KAC A6VZ (First floor Treasure Room)

PC 7E2Z BDY6 (Treasure Room two rooms on the right to spawn)

PS4 EFWH 7L4T (Treasure Room adjacent to spawn)

3DS MD60 R4Q9 (First floor Treasure Room)

Switch LNHL AJFO (First floor Treasure Room)

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