Color:red ,green ,blue laser pointer USB Interface:No Remote Control:No Size:158*23mm Function:Green Laser Pointer Control Distance:2000meters Battery:18650 Material:Aluminum Alloy Battery Type::18650 Li-ion Rechargeable Battery Control Distance::2000 Meters Weight::97 G(without battery) Voltage::3.7V Power::5mw,50mw,500mw Lighting Period(h):2 Usage::Emergency Size::158*23mm Show More