er remote control , use by oneself Voltage: 12v Frequency modulation :am / fm Package :plastic bag or small box (according to your requirement) Working temperature: -50¡ãc~+80¡ãc Application scope: Widely used for controlling electric doors/gates and windows , garages door and all kinds of openers, gate barrier , access control system, industrial control, car remote control, car alarm system, remote control switches , intelligent control, communication and security fields etc. A:skype:aiguan002 B:tell : +86-755-89585459 C:qq: 2478487723 D:whatsapp:13923864760 1£©. Each one in a plastic bag or white box 2£©. 400 pieces in a carton, one carton weight is 15kg, carton size is 37*24*17cm 3£©. Packing can be customized