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 seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.