D3 /D3B boom barrier
(Reducer speed ratio 120:1) Kits include: 1. Barrier Cabinet with 24 V servo motor and control inside ; 2. Boom : 3.5M/ 4M / 4.5M /6M ; 3. 2 pcs of remote control 4. 1 piece of External receiver antenna
5.1 piece of wireless cotrol box ;
6.24V servo motor ,screw reducer , servo control;
7.Spring included
Model:D3/D3B