1) material: ABS
2) No need to replace the batteries, inlude 3 PCS AG10 rechargeable button batteries buit inside
3: Using method is very simple, just press the handle on the body with your hand can produce the power, press 1-2 minutes for 20-30 minutes continual lighting
3) Light source: 2 PCS supper white LED
4) product size: 10*5 cm
5) Hand pressing key can be locked when not in use.
6) Package: 1 PC/color box, 200 PCS/carton, measurement: 54*33*25 CM, N. W/G. W: 17/18 KGS