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 quantity of remote control: 25 Pcs(NOTE: The system can store for 25 pcs of remotes, if the remote get more than 25 pcs, the initial remote control will be lost).RF Working Mode: Superheterodyne Reception (Modulation Mode:ASK).Perfect suitable for remote control of electric lamp, electrically operated gate, electrically operated window, roller shutter door, garage door and other telecommand equipments.Model: KR2201-4Product Type: Single Channel Remote Control SwitchEncoding Type: Intelligent Learning CodeRF Working Mode: Superheterodyne ReceptionModulation Mode:ASKRF Frequency: 433MHzWorking Mode:Momentary, Toggle and LatchingInput Voltage: AC 85V 110V 220VQuiescent Current: 5mAReceiving Sensitivity: Greater than 97dbmRemote Control Range: Greater than 50m (Free Space)Wired Connection Way: Fixed Wiring PillarOutput Terminal: NO,COM,NCNO: Normal Open(Output).COM:Common(Output).NC: Normal Close(Output).Color: Green(PCB Board), Black (Outside Shell)Circuit Board Size: 6.5 x 3.2 x 1.6cm/ 2.5 x 1.25 x 0.62incolor: as the pictureMaterial: PlasticPackage Contents:3 x KR2201-4 Single Channel Remote Control Switch3 x ShellOnly the above package content, other products are not included.Note: Light 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.