12V 4ch Channel 443mhz Relay Switch Wireless Rf Remote Control

• --Long Distance: Maximum range up to 98 feet/30 meters without obstructions.
• --Easy to Use: Very easy to set up, learn, relearn and control.
• --The performance is stable and reliable, and the receiving sensitivity is high.
• --Wide Applications: such as windows, entrances, garage doors, alarm systems, lifting equipment, etc.
• --4CH MORE CONTROLS: The working mode can be adjusted to control the device to open/reverse, on/off. Switch self-locking, jogging, interlocking.

Description:
Name: Relay Switch

Receiving frequency 443.92MHz
Receive sensitivity 105dB
Maximum load current 20A
Long distance 30M
Working voltage DC 12V
Frequency 315MHz
Working current 13 mAh
Features:
1. Signals can pass through walls, floors and doors, stably controlling the receiver anywhere within a reliable distance. 
2. Security Control: The learning code has high security, low repetition rate, re-learning mode, when the remote control is lost, the old code can be deleted, and the new code can be re-learned, so that you can always control it.

Packing list:
2 x Remote Control 
1 x Relay Switch
Note:
Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.