Features: brand new and high quality Time, date, week, temperature display. With travel time timing display and reminder function. Using high precision clock movement, accurate time. Automatic switch on and off: start with the car, stop and stand for a period of time, automatically shut down. Always bright night light, day and night can be clearly viewed. Charging mode: solar and micro USB dual charging mode, no wiring. At night, in rainy days, it is powered by internal high temperature resistant rechargeable lithium battery. Specifications: Shell material: high temperature resistant plastic material (shell temperature 100 ℃) Temperature range: - 50 ～ + 70 ℃ Shell size: approx. 14x4.8x2.3cm/5.51x1.89x0.91in Installation method: use transparent high-strength traceless double-sided adhesive to fix Package Includes: 1 x Auto Digital Clock note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!