Description:  This product has backlight display, stable characteristics, high reliability, durability and strong adaptability.    Features:  1. Energy saving: our rail timer consumes less energy and has high precision, which can save energy.  2. Backlight screen: This timer has a large backlight screen, which is clear and easy to observe.  3. Moderate weight: This product has moderate weight, corrosion resistance and high mechanical strength.  4. Customizable: Each pin represents 1 second for added customization. Set up to as many as 16 ON/OFF programs to automate your home appliances. Timer can also be used as an interval timer.  5. Safe and reliable: Our timer has passed the safety certification, and strictly control the quality and safety.    Specification:  Power Supply: AC 200-250V,50/60HZ (Customised Voltage: DC5V,12V,24V,AC110V );  Capacity: Resistive 16/30AMP , Inductive 8/20AMP;  Power consumption: < 5VA;  Timing Range: 1min-168hrs;  Black-out: 90 days;  Average error: < ± 2 sec / day;  Temperature range: -10-50 ℃;  Humidity: < 95℃;  Installation: DIN RAIL;  Dimensions: 86.5 x 36 x 68.5mm;  Switch ON/OFF Times: 16 times;  Min Interval: 1 second;    Package Included:  1 x TM928AKL Rail Timer (With Replaceable CR2032 Battery);  OR ;  1 x TM928BKL Rail Timer (With 560mah Lithium Battery)