WLD Windscreen Wiper Liquid Dispenser Professional Mtm Hydro. Vandal-Proof Doors and Locks. Integrated Control Board. Abs Cover, Resistant to UV Rays. Programmable Liquid Quantity (0.5 l, 1 l, 1.5 l, 2 l, 2.5 l, 3 l). External Windscreen Wiper Level Gauge. Lockable Liquid Tank cap externally accessible. Integrated liquid tank (capacity 100 l). Front and Rear Cover Panels easy to Remove for Maintenance Operations. Chemical Products not included. Car Wash use.