Welcome to our store! 1. [Multifunctional] Suitable for electrical control circuits for burglar alarms, electric doors and windows, signal control, industrial control, lifting equipment, etc. 2. [Direct Control] Mini relay remote control switch, independent output from modular relay contact, 7mA working current, very suitable for direct control of various loads. 3. [Anti-interference] The RF switch uses wireless encoding technology with learning code (space pairing), no directional action, and the switches do not interfere with each other. 4. [3 Working Modes] 3.5V-12V remote control switch with learning code, self-locking, interlocking, jog-free user adjustment, can realize one control multiple times, multiple controls one. 5. [Easy to Use] Each channel on the receiver board can withstand 3A current and can directly drive DC and AC loads, the relay has a set of normally open (normally closed) contacts. Product Type: Mini Relay Remote Control Material: ABS Working Voltage: DC3.5V-DC12V Maximum Load: 3A (better load is less than 2A) Working Frequency: 433MHz Standby Current: 0.1mA Working Current: 7mA Frequency Deviation: ≥0.2MHz Working Temperature: -20℃-+80℃ Receiving Sensitivity: ≥-110dBm Built-in button battery in the remote control: 2 x CR2016 (75mAh) 1 x Wireless module 1 x Remote control Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best possible customer service.