Features: 1. Used for identification and electricity collection to ensure the safety of your home or hotel. 2. Bring direct economic benefits to the hotel, extend the electrical life of rooms, and enhance the electricity safety factor of rooms. 3. Adopt more optimized circuit design with high integration and lower circuit loss. 4. Support ID card, T5557 card, 4150 card and other 125K frequency induction card. 5. The shell is made of highly transparent PC material, and the base is made of high flame retardant ABS material. 6. Support ID card, T5557 card, 4150 card and other 125K frequency induction card Specification: Condition: 100% Brand New Material: ABS + PC Color: White Input Voltage: 170V-250V Durability Tests: 100 Times Aging Tests Qualified Application: Hotels Size: Approx. 86x86mm/3.4x3.4in Package List: 1 x Switch 2 x Screw 【Light Switch Key】: Adopt more optimized circuit design with high integration and lower circuit loss. 【Pc Material】:The Shell Is Made Of Highly Transparent Pc Material: And The Base Is Made Of High Flame Retardant Abs Material. 【Support Id Card】: T5557 card, 4150 card and other 125K frequency induction card. 【Economic Interests】:Bring Direct Economic Benefits To The Hotel,Extend The Electrical Life Of Rooms, And Enhance The Electricity Safety Factor Of Rooms. 【Switch Plate Extender】: Used for identification and electricity collection to ensure the safety of your home or hotel.