Description: 0.56 inch red LED digital display timer. Digital clock DIY kit for electronics enthusiasts, easy to install. Large 4-digit LED display, can show you time. Recording time for your TV,Air Conditioning,DVD,Ammeter and more. With a power cable, it is convenient to be charged. Work style:keeping data when stop time, since the last time on electricity again and keep time accumulation timing. Specification: Power Supply Voltage: 11V~35V Working current:?20mA Working temperature: 0??+50?; ?85RH Time accuracy: ?0.2% Wire Length: Approx. 20cm/ 7.87inch Display range: 0000-9999 second Diaplay Type: Digital Material: Plastic Size: Approx. 79x 43x 25mm/ 3.11x 1.69x 0.98inch Package Includes: 1 Piece Display Timer 1 Piece 200mm Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement