SENTRY 4 BUTTON TRANSMITTER 403/433MHZ DUAL LEARNING WiFi Range Extender trim neatly -Push-to-open

trim neatly -Push-to-open

and even check battery status without having to approach the device -For energy conservation

change light colour

convenient to travel with

made of 3D Printing technology

SENTRY 4 BUTTON TRANSMITTER 403/433MHZ DUAL LEARNING WiFi Range Extender trim neatly -Push-to-openSENTRY 4 BUTTON TRANSMITTER 403 433MHZ DUAL LEARNING The SENTRY DUAL FREQUENCY LEARNING remote control is a handheld transmitter that has the capability of learning a button from an existing remote in both the 403 and 433MHz bands. It is capable of learning binary, inverted binary, trinary, inverted trinary, French, Smart, and Code Hopping transmitters into each of the four buttons. RR TX4SND