Programmable mechanical timer switch makes you life smarter and more convenient. IP53 rating extends the range of working environments. Easy to operate, easy to install. Note: 1. Installation should only be carried out by a qualified electrician. 2. Please read the user manual carefully before use. 3. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Grey Material: ABS Voltage: AC 100-240V Frequency: 50-60Hz Battery: 1.2V 40mAh NI-MH Battery Contact Capacity: 20A Power: 2W Time Range: 24H Minimum Interval: 15min Setting Times: 15min/time, 96 times Reserve: 300H IP Rating: IP53 Item Size: 163 * 113 * 45mm / 6.42 * 4.45 * 1.77in Package Size: 16.5 * 12 * 4.5cm / 6.50 * 4.72 * 1.77in Package Weight: 309g / 10.90oz Package List: 1 * Timer Switch 1 * Battery with Line 3 * Screw 1 * User Manual (English)