Parking barrier includes two series: Automatic and manual. It owns waterproof. Crashproof and theftproof performance. With its smart apperance, low consumption, easyoperation, safty and reliable function, it has strong competitive in the market. Parking barrier (AS-BW-1, AS-BW-2, AS-BW-3A, AS-BW-3B, AS-BW-4) is one kind of Automatic series products. It can help car-owners to reserve parking space while preventing other cars from parking at your space. Waterproof fuction Crash resistance function object sensing fuction Voltage of working motor: 12Volt DC Power Consumption (operation): 20W Power Consumption (standby): 30mW Distance of remote control: 30m Time to lie flat from standing: 3-5sec It 's control mode is remote contrller. It rely on electric of the city for working. The weight of the product is 14kg.