Features Up to 20 switching times can be set in one day Mini size, made of high quality ABS material Built-in high capacity lithium battery for long life and durability Low power consumption, high stability, switchable power saving mode. This product has a function to erase the screen (the performance is reduced when the product is not used). Suitable for elevators, packaging industry, carriers, industrial production lines, automotive industry, etc. Specification:Item Type:Electronic Timer Switch Model: KG316T-II. Applicable Voltage: 220VAC (176-250VAC) Current: 30 A. Power consumption: ≤ 4 VA. Material: ABS plastic. Size: approx. 88 x 54 x 42 mm / 3.5 x 2.1 x 1.7 inches. 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