USB Charge 111A Green Laser Pointer Model : 111AName USB Smart Laser PointerSize 13.5cm x 2.1cm Laser Type Direct DiodeWavelength 532nm greenLaser Body Aircraft-Grade AluminumLaser Finish BlackModes Single On/OffPower Supply Rechargeable Polymer BatteryWeight 0.1kgoutput power : 100mwworki..