Feature: 1. [REMOTE CONTROL] The remote control range of this wireless remote control switch system can up to 200 to 500 meters, which can realize real remote control. 2. [ONE TO MANY] One switch can be equipped with multiple remote controls, or one remote control can be equipped with multiple switches, which is convenient to use. 3. [GREAT REPLACEMENT] Can be used as a great replacement for your lost or damaged switch and can be used for wireless relay switch with excellent performance. 4. [MAIN APPLICATION] This switch system is mainly used in lighting, electric doors, window, lifting equipment, elevator control and security industries. 5. [3 ORDERS] This switch system has momentary, self locking, interlocking, 3 commands and can be used for RF remote control relays. Specification: Item Type: Wireless Remote Control System Material: ABS Working Voltage: DC12V-36V Current: Standby less than 6mA, working less than 128mA Operating Temperature: -10 degrees Celsius to 80 degrees Celsius Receiver Frequency: 433MHZ Receive Sensitivity: -105dB Output State: Switch quantity Maximum Load: 10A relay, resistive load less than 8A, inductive load less than 3A Remote Control Battery: 1 x 23A battery (not included) Learning Methods and Steps: 1. Press the learning button of the receiver, the buzzer keeps beeping, indicating that it has entered the learning state 2. Press the relative button of the transmitter to learn the relative output mode, when the buzzer beeps "Be Be" 3 times, it means the learning is successful, then press the button of the transmitter, you can hear the relay action sound. If you do nothing within 32 seconds, the receiver will automatically exit the learning state. Delete Memory Messages: Keep pressing the receiver's learn button, the buzzer will beep and Be Be Bee Be and then release the button, indicating that the memory information is successfully deleted.. Package List: 1 x Remote Control Switch1 x Remote Control