... ABS, make very good feature of explosion-proof;· Protection in electrical short-circuit, automatic power-off on the socket, 100, 000 ... product more reliable;· Portability: Just a head lamp, Small in size, light in weight (only 215g for whole product), simple charging, ... Power 0.4w Accessory Light Usage Life Hour 10000h Short Circuit Protect Time 15ms Usage Duration Of Battery(recharges) 500recharges ...