Features Safe and Durable The mechanical timer is made of excellent ABS material, with two ground sleeves, safe and durable. Easy to Use Always turn the timer dial to the current timer first, press the pins down to set the time, and pull other pins up to get started. 48 TIME SETTINGS The timer is programmable in 30 minute intervals, has 48 time setting options in 24 hours, rearranged for custom settings. WATERPROOF The timer is equipped with a waterproof protective cover, which protects the timer from the elements and is safer for outdoor use. Built-in Rechargeable Battery The timer has a built-in rechargeable battery, which can be used for a long time after fully charging. 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. Period: 24 hours. Contact resistance: ≤50 mΩ. Insulation resistance: ≥100mΩ. Coil voltage: 230 VAC Ambient temperature: -40°C to +55°C. Storage time: 150 hours. Minimum setting unit: 30 minutes Setting times: 30 minutes per time, 48 times. Package list: 1 x 24-hour mechanical timer. 1 x user manual (English language Package List 1 x 24 Hour Mechanical Timer 1 x Manual