Specifications: -Output Pulse Road: 6 Channels outputs -Input Power: ＜20VA+15%; the fuse is slow fusing 0.5A -Output Pulse frequency:1.2Hz~55Hz, the error range of±30% continuous adjustable. -Output Pulse width: 0.6±0.15ms -Suitable Range of Voltage of Power Supply: AC 110~240V, 50Hz; DC 9V+5%, 9V-10%. -Range of Atmosphere Pressure: 500hpa to 1060 hpa. -Size: 21.7cmx16.7cmx7.5cm -Weight: 1390g Main Functions: -Assists the detection of acupoints. -Use for electric impulse acupuncture treatment. -Music prompt function of the electrotherapy. -Multi-pulse wave frequency LCD -Auto-timing Switch -Operating output protection device Package included: 1xKWD808-I Multipurpose health device 1x Acupoint Detecting Pen 5x Output Electrode Wires 1x Inserting Output Electrode Wires 10x Small Electrode sticker 2x Big Electrode sticker 1x Fixed tape 1x English Instruction manual 1x Acupoint figure 1x AC adaptor (100V-240V)