ITEM NAME:4 Digit 0.4inch LED Digital Electronic Clock for Car Motorcycle Motor (Blue B2R7 4 Digit 0.4inch LED Digital Electronic Clock for Car Motorcycle Motor (Blue B2R7 100% brand new and high quality Package includes : 1 x Digital Electronic Clock; 1 x CR1220 Battery Backup Battery: 1 x CR1220(included) Sunniness: No direct irradiation Wire length: 15cm Display Color: Blue Working current: <20mA Time accuracy: ≤2 seconds/day Display: 4 digits 0.4" LED, 24 Hours display only Dimensions: 48×29×21 mm Mounting-hole size: 45.5×26.5 mm Minimum power supply voltage: 4.5V Maximum power supply voltage: 30V Working temperature: -10 Celsius ~ +65 Celsius Working Humidity: 10~80%(no condensation) Material: plastic Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.