1. Customized Time Schedule Outlet The remote light switch includes a countdown function with five time schedule choices displayed above the switch as 0.5, 1, 2, 4, and 8 hours. The remote may automatically cut off power after the selected time period to save energy and avoid unnecessary outlet use. 2. Prevent Current Leakage Multiple safety protections focus on internal electrical design, including leakage protection, over-current protection, and 4000V surge protection. Certified with CE, FCC, RoHS, and CQC, this remote outlet switch serves as a reliable safety guard. 3. Heat Resistant and Fireproof Made of PC+ABS material, it resists heat from long term electrical current usage to reduce fire risk. Built to perform in extreme temperatures from -40 C to 80 C. 4. Programmable and Expandable The unit features 3 sets of control buttons and can be expanded by adding or deleting extra remotes and outlets (only for the same model) if needed. The transmitter and receiver are pre-programmed for immediate use. You can DIY your home light timer collection for convenient remote control. 5. Long Distance Remote Control Effective wireless range of 30–150 meters (80–380 feet). Strong signals can penetrate walls and large furniture to reach every corner of your home for reliable RF control. 6. The Only Outlet You Need Long-range wireless operation makes hard-to-reach applications easier for children, elderly, and pregnant users. It can control devices such as desk lamps, Christmas lights, printers, TVs, fans, air conditioners, coffee machines, and more. Use scenarios - Office or study: program a desk lamp to turn off after 1 hour to save energy and reduce clutter. - Living room or holiday setup: schedule Christmas lights to shut off automatically after 4 hours. - Bedroom or care situation: use from bed to control a lamp or a fan for an elderly family member or someone who is pregnant, without getting up.