1. Customizable Timer Switch: This light switch timer repeats a program with 16 on/off settings. The setting accuracy is in minutes. 2. LCD Display and Easy Installation: This digital timer uses a real - time LCD display of "hours/minutes" and "on/auto/off"; DIN rail mounting, DIN rail not included. 3. Indoor and Outdoor Electric Timer Switch: This timer relay has high accuracy and strong anti - interference property, and the timer is suitable for controlling street lights, neon lights, production electrical appliances, radio and television and many other home appliances. 4. Rechargeable Battery and Industrial Chip: This programmable digital timer has built - in rechargeable batteries and industrial - grade chips to protect your programs in the event of a power outage. 5. Timer Function: Take control of your home or office lighting with a programmable timer that allows you to schedule precise times to automatically turn on/off your lights and appliances. 6. Other Options. Preset Function: This programmable timer switch allows you to preset a week in advance with a digital electronic switch for neon lights, advertising lights, production equipment, TV transmission equipment and other power equipment. 7. Our Service: We are committed to providing services to you. If you have any questions, you can contact us at any time. We will reply to you within 24 hours and try to solve the problem for you. Thank you for purchasing our products, and have a happy day.