Features: Easy to read LCD display, LED indicators. Minimum 1 second interval. 8 ON/OFF programs per day, 15 combinations per week. 24 hours / week programmable. Countdown function. Maximum 24 hours countdown to OFF. Built-in rechargeable battery for memory backup during power failure. Repeat programs with 8 on/off settings, and manual on/off control. Suitable for household use, panel mounted. Color: White Material: ABS + electronic components Specifications: Model number: CN101S Power supply: 5V, 12V, 24V, 110V, 220V 50/60Hz Maximum load: 16A Minimum interval: 1 second Timing range: 1 second to 168 hours Setting groups: 8 ON/OFF per day Programs: 15 groups Black-out memory retention: 60 days Average error: Less than ±2 sec/day Battery type: 1.2V, internal, rechargeable Installation: Panel/wall mounted Package Contents: 1 x Timer switch 4 x Terminal 1 x User Manual Only the above package content, other products are not included. Note: Lighting and different displays may cause the color of the item in the image to differ slightly from the actual product. Measurement allows an error of +/- 1-3 cm.