1. Time Schedule Outlet: Countdown function of this remote light switch is a specially design when compared to other original outlets in selling market. Above the switch, there are number words 0.5' ,'1', '2', '4', or '8' hours to indicates five time schedule choices. Typically, the remote may automatically cut off power after the settled time period for energy saving,avoiding non-essential outlet connection. 2.Prevent Current Leakage : Multi electrical protection by highly focus on internal electricity construction design of leakage protection, over-current and 4000V Anti surge protection. Equipped with CE, FCC, RoHS, CQC Certification, the remote outlet switch serves as your reliable guarder. 3.Heat Resistant & Fireproof : Made of PC+ABS material, can resist high heat caused by long time electrical current consumption, which will effectively avoid any fire threats. Based on high quality external shells, it may work well in extremely high or low temperature between -40℃-80℃. 4.Programmable & Expandable: For personally program and expand , 3 sets of control button, this wireless remote control outlet is available to add or delete extra remotes, outlets (Only for Same Model)if you need; Our signal transmitter and receiver have been pre-programmed for immediate use. Now, go ahead to DIY your home light timer collection for convenient remote control ! 5.Long Distance : 30-150 Meters, 80-380 FT of wireless light switch available distance . Strong signals easily break the barrier of walls or other big house furniture, can reach out each corners of your home for better RF signal receiving. 6.The Only Outlet You Need: Long range wireless outlet makes hard-to-reach applications available for children,aged person and pregnant women. It can run its functions in Desk Lamps, Christmas Lights, Printers, TVs, Fans, Air Conditioners, Coffee Machines, etc.