Impro GB/XQT904 433MHz 4 button transmitter
Impro hand-held 4 button 433MHz transmitter, each of the 4 push buttons are used to transmit a different channel identification code together with the transmitter’s ID to the receiver. Acts as a normal tag with Impro prox readers. Small in size (60mm l x 45mm w x 15mm h). Made of blue plastic with grey push buttons.