Digital LCD timer switch TM919A-3 for electrical appliances with weekly programmingFeature:<br> 1. Replaceable battery CR2032 for back-up the memory (save the programs you set) when power failure. Reliable and safety to use.<br> 2. Suitable 35mm DIN Rail mounted, maximum 24 hours countdown to OFF.<br> 3. Countdown function. LCD display with LED indicators, easy to read.<br> 4. 24 hours / 7 days a week programmable. Repeat programs with 16 on/off settings, and setting on/off manually. Reasonable and accurate designs.<br> 5. 16 ON/OFF programs per day, 15 combinations to a week, practical use.<br> Specification:<br> Condition: 100% New<br> Item Type: Timer Switches Material: Plastic Functions: Clock display(12hr/24hr format), Timer, Countdown Power Supply:<br> 24V DC<br> Current: 16A<br> Timing Range:1min~168hours<br> Programs:16 ON/OFF per day<br> Power Consumption:<5VA<br> Average Error:<2sec/day<br> Temperature Range:-10~50 ℃<br> Humidity :<95%.<br> Package List:<br> 1 x Timer Switches 1 x Manual