Features: Easy to read LCD display with LED indicators. Minimum 1 second interval setting. 8 ON/OFF programs per day, up to 15 combinations per week. 24 hours / 7 days a week programmable timer. Countdown function with a maximum 24-hour countdown to OFF. Built-in rechargeable battery to retain memory during power failure. Repeat programs with 8 on/off settings; manual on/off control available. Ideal for household use with panel mounting. Color: White Material: ABS + electronic components Parameter: Model number: CN101S Power supply: 5V, 12V, 24V, 110V, 220V 50/60Hz Max load: 16A Min interval: 1 second Timing range: 1 second to 168 hours Setting groups: 8 ON/OFF per day Programs: 15 Groups Backlight: 60 Average error: Less than 2 sec/day Battery type: 1.2V (internal, rechargeable) Installation: Panel or wall mounted Package Contents: 1 x Timer switch 4 x Terminal 1 x User Manual Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement error allowed is +/- 1-3cm.