Support Multiple Working Mode: Momentary, Toggle and Latching Mode. Support the type of remote control(Support Code): Learning Code(1527), Fixed Code(2262). Support storing the of remote control: 25 Pcs(NOTE: The system can for 25 pcs of remotes, if the remote more than 25 pcs, the initial remote control will be lost). RF Working Mode: Superheterodyne (Modulation Mode:ASK).Perfect suitable for remote control of electric lamp, electrically operated gate, electrically operated , shutter door, garage door and other telecommand equipments. Model: KR2201-4 Product Type: Single Channel Remote Control Switch Encoding Type: Intelligent Learning Code RF Working Mode: Superheterodyne Modulation Mode:ASK RF Frequency: 433MHz Working Mode:Momentary, Toggle and Latching Input Voltage: AC 85V 110V 220V Quiescent Current: 5mA Receiving Sensitivity: 97dbm Remote Control Range: 50m (Free Space) Wired Connection : Fixed Wiring Pillar Output Terminal: NO,,NC NO: Normal Open(Output). :Common(Output). NC: Normal (Output). Color: Green(PCB Board), Black (Outside Shell) Circuit Board Size: 6.5 * 3.2 * 1.6cm/ 2.5 * 1.25 * 0.62in color: as the Material: Plastic Contents: 1 x KR2201-4 Single Channel Remote Control Switch 1 x Shell Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.