Scope of application: It is used for automatic control of water heaters, water dispensers, street lights, staircase lights, advertising light boxes, breeding, irrigation and office electricity. Feature: 1. This panel‑mounted digital timer series can be operated in 4 separate power sources, ranging from 240 VAC to 12VDC. 2. The output format of Time switch can be made into no‑voltage or volt output. 3. The timer keeps programming when the power is disconnected and has an LED on/off status indicator. 4. Can choose 24‑hour system and 12‑hour system, accurate to the minute control. 5. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Timer Switch Product Material: ABS Product Model: TM619H-2 Product Name: Digital Display Time Control Switch Display Type: LCD digital display Working Voltage: DC12V Frequency: 50/60Hz Current: 30A Battery: Lithium battery CR2032 3V (without battery) Package List: 1 x Timer Switch1 x User Manual