Hi, my friend, I'm very sorry, hesitate airline regulations, can't give you the battery.

The battery model used by the laser is: LR41 x3PCS

Product features:
1.New upgrade with wider stay head
2.The double screw clip is more firm, and the widened rubber band group is stronger
3.Laser and level corrects grip for greater accuracy
4.High light infrared laser aiming light, fast aiming
5.Ergonomic design, golden ratio
6.Inverse grip, feel comfortable, long grip not tired

Product parameters:
Material: Resin baking paint
Color: Black, Gold, Wine red, Blue
Bow height: 125mm
Inner bow door width: 40mm
Outer bow door width: 90mm
Head width: 28mm

Packaging:
Style A:Slingshot X1+ Rubber band X1
Style B: slingshot X 1+rubber bandsX 4+silicone target X1+steel balls X 30+splash target papers X 10