Working voltage: DC 5.0~27V Frame size: 22x58 mm Installation opening size: 19.5x56 mm Temperature display range: -35 ~ 120C (1C accuracy) Voltage display range: 5.0~28V (0.1V accuracy) Power lead length: 28cm Integrates time, internal and external temperature, and voltage into one display. Individual items can be shown or cycled automatically; display settings are customizable. Equipped with RX8025T timekeeping chip for accurate time. Includes two temperature probes: one 0.3m and one 1.5m waterproof probe, with temperature measurement range of -35C to 120C. Features adjustable brightness with three levels and automatic brightness adjustment for day and night visibility. Condition: Material: ABS Color: Black Display screen color: Green Package Contents: 1 x Car Clock (Other accessories not included) Note: Lighting and monitor differences may cause slight variation in color appearance. Measurement error allowed within 1-3cm.