Product description
Product Description
Helmet Safety Lamp GM990:
Tem Specification
Rated voltage3.7V
Rated capability2400MAH
Lighting time13-15H
Lighting degree(Main light)2500-3000LUX
Charging battery volt4.2± 0.05V
Working battery Volt3.0± 0.05V
Battery worklife500 CIRCLE
Net Weight450G