Description: Dimensions 190Mm X 220Mm Color Temperature(Cct) 2700K Working Temperature(℃) 1-40 Lamp Body Material Pvc Lamp Luminous Flux (Lm) 3 Lamp Luminous Efficiency (Lm/W) 15 Input Voltage(V) 4.5V Usage Battery/Usb Batteries Required 3Xaa (Not Included) Weight 250G