Garage Door and Gate Remote

(1).Frequency:433.92 MHz;Channels:4;Buttons:4;Range:50 – 150 m.
(2).multi-user capability are the key features of these remotes;
(3).One battery included;
(4).Operating frequency 433 MHz Rolling Code;Power Consumption:12 mA;
(5).Operating Temperature:-20 C to +55 C;Dimensions:32 × 68 × 13 mm;