Features Up to 20 sets of switching time can be set in one day Mini size, made of high quality ABS material Built-in high-capacity lithium battery for long lasting life and durability Low power consumption, high stability, switchable power saving mode. This product has a function of extinguishing the screen (the power is reduced when the product is not used) Suitable for elevators, packaging industry, conveying machinery, industrial production lines, automotive industry, etc. Specification:Item Type: Electronic Timer Switch Model: KG316T-II Applicable Voltage: 220VAC (176-250VAC) Current: 30A Power Consumption: ≤ 4VA Material: ABS plastic Size: Approx. 88 x 54 x 42mm / 3.5 x 2.1 x 1.7in Built-in Battery Model: CR2032(button battery); voltage 3V; capacity: 210mA Package List:1 x Electronic Timer Switch  Package List 1 x Electronic Timer Switch