COX 81400MR 400 ml Total System, 1:2:1, 4:1 and 10:1 Mix Ratios, 18V (Includes Battery and Charger) 400 ml. total system Powered by 18-volt lithium ion battery pack Multi-ratio 1:1, 2:1, 4:1 and 10:1 (kits included) Maximum force 787 lbs. Variable speed control