Features : The timer is equipped with protective cover, which is , protecting the timer from weather conditions, more secure for outdoor use. 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. Built in Rechargeable Battery: The timer has built in rechargeable battery, can be used for long time after once full charged. Safe: The mechanical timer is made of excellent ABS material, with two ground sockets. 48 Times Settings: The timer is programmable in 30 minute intervals, has 48 times setting options in 24 hours, re arrangeable for individual settings. Spec: Item Type: 24 Hour Mechanical Timer Material: ABS Model: SUL181h Battery: 1 x Rechargeable NI MH 3.6V 80MAH button battery (built in) Capacity: AC230V 16A Time Range: 24h Resistance: ≤50mΩ Insulation Resistance: ≥100mΩ Ambient Temperature: -40℃ to +55℃ Storage Time: 150 hours Minimum Setting Unit: 30 minutes Setting Times: 30 minutes per time, 48 times How to Use: Install and use directly. packing list: 1 x24 Hour Mechanical Timer 1 x Manual Package List 1 x 24 Hour Mechanical Timer 1 x Manual