Item: KOON-CWS011 Standard configuration: One mainframe, two remote control transmitter, one brainpower charger, one storage battery Material: Stainless steel Waterproof, anti destroy structure, no need maintenance Power supply way: 12V storage battery and 220V alternating current. Safe and available Unlock time: More than 7 seconds Unlock height: 310mm Control distance: More than 30m Size: 650*195*78mm Useful scope: Various of parking lot Long time guarantee Function features: Directly drive by imported low speed branch power machine, low noise Inner install spring balance structure, screw drive, light load Have hand shake unlock function Imported bake lacquer, not easy fade, bear 5ton, no distortion High sensitivity short power switch, safe and available, last 1 million times Adopt credible MPU and IC circuit brainpower control Have switch delay, circuit protection of overload and overpressure and alarm giving to hamper function