1、SMART DISTRIBUTION: Mechanical timers can be programmed to avoid power spikes and can distribute energy over a certain period of time to save energy. 2、PROGRAMMABLE: The mechanical timer can be set or programmed to control the switching of appliances over a 24 hour period (up to 48 coded commands per day) or 96 steps programmed over a week. 3、STABLE PERFORMANCE: The mechanical timer is controlled by synchronous pulse motor, with strong anti interference ability, low energy consumption, high accuracy, and longer service life. 4、EASY INSTALLATION: The mechanical timer adopts the modular DIN rail mounting structure, which is easy to install in the distribution box with small size and good shape. 5、APPLICABLE SCENE: The mechanical timer is suitable for water heater, drinking fountain, street light, stair light, advertising light box, breeding, irrigation, etc. Item Type: Mechanical Time Switch Material: Flame retardant PC Size: Approx. 65.5 x 110 x 54mm / 2.6 x 4.3 x 2.1in Frequency: 45-60Hz Contact Load: 16A Built in Battery: NiMH battery Battery Capacity: 100 mAh Maximum Number of Switching (per day): 48 Electrical Life: 100,000 times Time Interval: 30 minutes minimum, 24 hours maximum 1 x Mechanical Time Switch