Solar energy Laser rangerfinder Eco -friendly working pattern U.S Patent SN 12/57761 Save a battery and protect your environ Quick Details Place of Origin: Guangdong China (Mainland)Brand Name: OEMModel Number: 364906Size:Weight:Type: Monocular Effective Visual Distance:5-400MOperating Voltage: 3vType: RangefinderColor: BlackUse for: outdoor&public security Packaging & Delivery Packaging Detail: ...