battery removable rolling code keychain transmitter
≥320 PCSs
$3.60
Open the battery cover at the back of T6520 when changing the battery
Wireless Transmitter with keychain T6520
I. Technical Characteristics
1.1 Frequency: 433.92MHZ
1.2 Code:rolling code
1.3 Channel: 4
1.4 Battery: 3VDC CR2032
1.5 working distance : 50M(indoor)
II. Application Method
2.1 number 1,2,3,4 on the button means channel 1,2,3,4. The indicator light of the Chosen channel will turn on when you press the button.
2.2 You could control the device with the transmitter by pressing 1,2,3,4.
Example:
Use button 1 to control the device
Method:
1. Press button 1, the light of channel 1 turns on.
Scan the QR code with your phone, or visit the URL