Electronic Digital Timer Switch. Features: Alternative 12/24 Hour System Easily Switch System Between Standard Time and Summer Time (DST) Up to 10 Times On/off Setting Per Day Time Setting Includes HOUR, MINUTE and DAY Manual Override Feature to Set the Timer Switch to Always on or Off Random Sitting to Have Your Lights to Go on and off at Random Timers During Vacation Specifications: Model Number: TS-839 Usage: Timer Switch Theory: Electronic Type: Mini Size: 135mm*60mm*75mm Installation: Plug-in Type Voltage: 120V~/60Hz Rating: 120V~ AC / 15A /1800W Operating Temperatures: -10...+40C Accuracy: +- 1 Min/Mon Battery: NIMHI 1.2V100hrs Package Content: 1* Digital Timer Switch 1* Instruction Manual . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.