16 channel hand-held RF433MHz transmitter for roller shutter blind awning window opener,can Compatible with dooya products and A-ok products

Channel locked: (just for multiple-channel transmitter)
If you need lock any channels(≤16) to normally usage.Choose the channel you need first,then pressing "Left Choosing Button" and "Right Choosing Button" button for 5 seconds till the related indicating light flashing one times then go out.Now the channel you need is locked.
When you want to unlock the channel,just pressing the "Left Choosing Button" and "Right Choosing Button" together for 5 seconds till the indicating light flash one times then go out.

roller shutter remote control emitter specifications:

1. Simple and elegant design suitable for various decorating

2 Individual buttons enables easy UP/DOWN/STOP and channel switching

3. Operation buttons with blue backlight, more elegance looking

4. Hardened acrylic panel material face panel, anti-scratching

5.Power-saving design, battery life > 3 years 

6.With wall holder

7.Model:AC111-01,AC111-02,AC111-05,AC111-16