Applications: 1.wireless power switch, socket, remote control switch, receiver module, 2. access control, electric cars, motorcycles, automobile anti-theft products, remote door openers, closers control system 3. security, surveillance , home security products, electric doors, alarm host, alarm 4. rooms controls, shutter doors, windows, remote control socket, remote control LED, remote audio remote control electric doors, garage door remote control, remote control retractable doors, remote rolling gates, sliding door 5. smart , remote control curtains, remote MP3, audio. Specifications: Model: RX470-4 (RX470-4 is WL101-341 upgraded version, more stable performance, faster data transfer) Size: 30x9x1mm Operating frequency: 433.92 MHz Mains input voltage range: 2.2V-5V Working current: Type: 2.1mA (Requirement:=5V) ; Type: 2.1mA (Requirement:=3V) Quiescent Current: 1uA Temperature range: -40~85 External antenna: 32cm single core wire, wound into a spiral Specifications: Model: WL102-341 Material: Plastic + Metal Color: shown as pictures Size: 16x12x1mm Operating frequency: 433.92 MHz Mains input voltage range: 2.0V-3.6V Shutdown mode current is less than 1uA Transfer rate: up to 20KHz Launch distance: 20-100 meters External antenna: 25cm ordinary multi-core or single-core line Temperature range: -45~85 Color: As Shown Material: PC+metal Package Contents: 10 Set 433 Mhz Wireless module Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.