Feature: 1. 48 Times Settings: The timer is programmable in 30 minute intervals, has 48 times setting options in 24 hours, re arrangeable for individual settings 2. Waterproof: The timer is equipped with protective cover, which is waterproof, protecting the timer from weather conditions, more secure for outdoor use 3. Safe and Durable: The mechanical timer is made of excellent ABS material, with two ground sockets, safe and durable 4. Simple to Use: Always turn the timer dial to the current timer first, push the pins down to set the time on, pull other pins up to set off 5. Built in Rechargeable Battery: The timer has built in rechargeable battery, can be used for long time after once full charged Specification: Item Type: 24 Hour Mechanical Timer Material: ABS Model: SUL181h Battery: 1 x Rechargeable NI MH 3.6V 80MAH button battery (built in) Contact Capacity: AC230V 16A Time Range: 24h Contact Resistance: ≤50mΩ Insulation Resistance: ≥100mΩ Coil Voltage: 230VAC Ambient Temperature: -40℃ to +55℃ Storage Time: 150 hours Minimum Setting Unit: 30 minutes Setting Times: 30 minutes per time, 48 times. Package List: 1 x 24 Hour Mechanical Timer1 x Manual