Hydraulic system. You need to buy smoke oil (ethylene glycol) locally. Material: stainless steel, aluminum alloy, brass, plastic. Light system. ID: LS-BA-B0012-RTR-UP-PAINTING-OGGY. 3S 5200MAH battery.
The LESU 1/14 3-Arm Hydraulic RC RTR Excavator Aoue-ET26L Quick-Release Smoke Digger is ideal for setting up smoke screens in recreational vehicle parks, allowing vehicles to move around more freely.