Supports multiple working modes: Momentary, Toggle, and Latching. Supports remote control type (Supports code): learning code (1527), fixed code (2262). Supports remote control quantity storage: 25 pcs (Note: The system can store 25 remote controls; if more than 25 are received, the original remote control will be overwritten). RF working mode: Superheterodyne reception (Modulation mode: ASK). Perfect for remote control of electric lamps, electric gates, electric windows, roller blinds, garage doors, and other remotely controlled equipment. Model: KR2201-4 Product Type: Single-channel remote control switch Coding Type: Intelligent learning code RF Working Mode: Superheterodyne reception Modulation Mode: ASK RF Frequency: 433 MHz Operating Mode: Momentary, Toggle, and Latching Input Voltage: AC 85V 110V 220V Standby Current: 5mA Reception Sensitivity: Greater than 97dbm Remote Control Range: Greater than 50m (open space) Cable Connection: Fixed cable terminal Output Terminal: NO, COM, NC NO: Normally Open (Output) COM: Common (Output) NC: Normally Closed (Output) Color: Green (PCB board), Black (Outer casing) Printed Circuit Board Size: 6.5 x 3.2 x 1.6 cm / 2.5 x 1.25 x 0.62 inches Material: Plastic Package Contents: 2 x KR2201-4 Single-Channel Remote Control Switch 2 x Housing Note: Light shooting 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.