Specifications: 1, float switch for automatic shut-off when bottle is empty. 2, built-in check valve to prevent back flow. 3, universal seal cap fits most water containers. 4, compact size for easy mounting. 5, 20' discharge hose included. 6, easy installed. 7, voltage 115 & 230 volts ac, 12 volt dc 8, cycle 50/60 hz. For ac models 9, current 12 volt 3.0 amps. Max. 115 volt 0.5 amps. Max. 230 volt 0.25 amps. Max. 10, maximum flow 1.0 gpm (3.8 l /min.) 11, maximum pressure 40 psi (2.8 bar) 12, weight 6.4 net lbs. (2.9 kg), shipping 7.8 lbs. (3.5 kg) Model: bwd1000a (110-115v/60hz) Bwd2000a (220-240v/50hz) Carton case