Item Type: Mechanical Timer Material: Plastic PA66 Flame Retardant Material Model: TB388 Operating Voltage: 100-240VAC Time Range: 24h Minimum Setting Unit: 15 Minutes Battery: with Removable 250mah Battery Purpose: Suitable for Automatic Control in a Variety of Environmental Conditions, and Has a Wide Range of Applications Package List 1 x Mechanical Timer 1 x User Manual 1 x Battery 1. Please ensure that the power is off before use and installation.2.Shipment with matching battery. 1Using highquality electronic components, stable and reliable performance, strong antiinterference, low power consumption. 224hour mechanical timer switch, no power loss, and simple to use, making life more convenient. 3Can be programmed to avoid power peaks, distribute power within a limited time, and save energy. 4Used in situations where civil or industrial power supply needs regular control, and can be automatically controlled according to the required time. 5Suitable for street lights, lowvoltage time control systems, water heaters, breeding, garden watering, office facilities, etc.