Product Description 4-Channel Model! A professional-quality portable personal massager penetrates targeted muscle groups through electronic muscle stimulation. Features 4 Channels with independent intensity control. The only device on the market can support 8 pads to be used at one time. With double the amount of electrode pads than most units, allowing to treat of a larger area in one application or multiple users. The machine features 10 treatment modes and 20 Intensity levels for sports massage, physical therapy support, muscle toning, improved circulation, and deep tissue massage Highlights Target TENS offers a wide range of settings with simple, intuitive controls. Digital settings are accurate and repeatable. The large, clear LCD indicator makes it easier for the visually impaired to set and operate, This LCD will be utilized to display stimulating mode/pulse width/pulse rate and to display time 4 output to do the massage on up to 8 treatment points at the same time. 10 mode with 20 respective intensity levels offering versatile choice for long time users Automatically switches the unit off after the set time when activated (20 minutes) Economic and environmentally battery to give long life and lowing running cost Features Output Power: 0~60mA Power Source: Bulit-in Rechargeable Battery & USB Power Channels: 4 Channels – Independent Intensity Levels: 20 Levels Pulse Width: 90uS ~ 100 uS Pulse Rate: 100Hz 10 Pre-set Programs Size:200mm x 60mm x 15mm What's in the box 8 x Square Shaped Electrodes Pads – Standard Option 4 x Lead Wire 1 x Charger (USB port, 100-240V 50/60Hz automatically adjusted) 1 x Instruction Manual 1 x Plastic holder 1 x USB extension cord 1 x Meridians figure 1 x Gift Box