Automotive Electronic Clock DIY Creative LED Digital Vehicle Clock Waterproof Luminous Clock

Automotive Electronic Clock DIY Creative LED Digital Vehicle Clock Waterproof Luminous ClockSpecification: Supply Voltage DC 4.5~30V Standby Battery CR1220 (can be maintained more than 12months without power ) Working Current < 20mA Power supply,key lead length >120mm Display Mode 0.4" LED Size 54 * 30 * 27mm Package Included:1 X LED Digital Vehicle Clock