Feature: 1. WORKING RANGE: The mechanical timing switch supports 24 hours control and 150 hours power off compensation, increasing additional reliability. 2. EASY OPERATION: Clock type can read directly, with minute adjusting button, which can determine the current time more easily and accurately. 3. PC HOUSING: The time control switch adopts PC housing, which is flame retardant and corrosion resistant to ensure the safety of electricity. 4. WITH BATTERY: Built in 80mAh 2.4V polymer lithium battery, the mechanical timer is suitable for long term operation, simple and practical. 5. WIDE APPLICATION: The mechanic timer can be used in home kitchen, power grid tests, substation, shopping mall, supermarket and other places. Specification: Item Type: Mechanical Timer Minimum Setting Time: 30 Minutes Period: 24 hours Set Action Times: 48 Times Battery: 1 x 15110 80mAh 2.4V polymer lithium battery (built in battery) Power Failure Compensation: 150 Hours Rated Voltage: 220VAC Rated Frequency: 45-60HZ Maximum Power: 2500W Maximum Current: 16A Power Loss: <2VA Size: Approx. 52.5 x 65.5 x 90mm / 2.1 x 2.6 x 3.5in. Package List: 1 x Mechanical Timer1 x User Manual