, high quality 3 in 1 function: time, temperature, and voltage Four display modes: time only, temperature only, voltage only, and alternating time-temperature-voltage Durable, stable, and highly sensitive Material: plastic Display color: green Shell color: black Rated input voltage: 12V Temperature range: -40C to 75C Powered via cigarette lighter socket Usage: When the car is turned on, the time will display on the vehicle-mounted clock monitor. The indicator turns off when the car power is off, preventing power consumption. The internal clock operates reliably with an industrial battery (not requiring frequent replacement), and the professional imported chip ensures accurate timekeeping. Package includes: 1 x car digital clock with cigarette lighter plug 1 x adhesive tape 1 x user manual Note: Lighting and screen differences may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3 cm.