Standard accessories: 1)Luxury steel glass spittoon, 1set. 2)Automatic timerised water rising and cup filling system, 1set. 3)Danish 24V noiseless DC motor chair 1 set; 4)Three folds DC. Driven chair. 5)luxurious PU box; 6)operating light 1 set; 7)saliva ejector with high and low suction 1 set; 8)instrument tray with air brake 1 set; 9)3-way syringe (cold/hot water) 1set; 10)full-functional foot controller 1 set; 11)operating stool, 1 set. Optional accessories: Medical compressor; Endoscope system. Specifications: A)power voltage: 220v-50Hz B)motor voltage: 24v C)water pressure: 0. 2Mpa-0. 4Mpa D)air pressure: 0. 5Mpa?. 8Mpa.