Garage Door RF remote control,wireless remote control rf.Size (mm) :54.5*28.9*13.1 Weigh(g)t :30 working voltage:12V working current:≤12mA quiescent current:0 frequency: 315M/433.92M/other frequency sweep:0.25MHZ chip and operating mode:Hopping code(HCS301,300,200and so on) fixed code, (2262,2260 and so on) learning code(1527,2240,HT6P20B,HT6P20D and so on) copy code. oscillation resistance:under your requests button:1 4buttons launch distance:50 100meters frequency modulation:AM scope: Home alarm, car alarms, industrial control and otherCompany intruduce:Shenzhen GD Techway Electronic Co., Ltd, which was established in 2001, is a professional enterprise that specialized in researching, developing and manufacturing RF products, and dedicates to provide customer modular products (OEM) or design project (ODM); In 2006, it passed the ISO9001:2000 International quality management system certification, and the product quality can meet FCC, CE, ROHS standards. With strong technology, GD has produced more than 1,000 types of quality products, which are available to different sectors, and can meet a variety of special needs of customers throughout the world.