1 MY-GB4 substation,explosion-proof,hospital components 2 adopt aluminum alloy board,flush-mount type Features:Main functions: 1 MY-GB4 substation,explosion-proof,hospital components1. Adopts the aluminum alloy board, and the voice is lively and clear.2. Flush-mount type, which is anti-dismantle and anti-damage3. The substation can alarm and call back the master station in the control room.4. Can ...