General description The Roller Shutter Remote Control 433MHZ is designed for garage door relay switching and rolling applications. It features a secure and reliable operation with multiple function options. Technical specifications Working Voltage: DC12V Quiescent Current: 10mA Working Frequency: 433MHz Receiving Sensitivity: -104dBm Function Options: Momentary, Toggle, Latched Modulation Mode: ASK Matching Mode: Intelligent Learning Code Output Mode: Dry Contact / Voltage Output Working Temperature: -30 to +80 ℃ Color: Photo Color Material: Plastic Compatibility and accessories Package Contents: 1 x Rolling Door Receiver, 2 x Controllers Usage Ensure to shut off the power before operation and test the device after correcting the electricity. Replace the battery promptly when the remote control voltage is insufficient. Avoid using the product near metal masks, large equipment, or strong electromagnetic fields. Maintain an appropriate distance between the remote control and receiver