describe:Acupuncture and electrotherapy equipment has a digital display screen for positioning acupuncture or trigger points The digital display helps users locate acupuncture or trigger points as accurately as possible, the number of which increases as the skin resistance decreases Features: 1 According to the low resistance meridian, it can automatically search for acupuncture points 2 The pulse flow can be massaged through the skin tissue, which is beneficial to the bloodcycle 3 We use rechargeable lithium batteries with large capacity,durable 4 According to skin type andThe sensitivity of condition adjustment point detection 5 User-friendly design and digital display design make it easy to find precise acupuncturepoint 6 Portable size suitable for home ortravel Specifications: Item Type: Electronic Acupuncture Pen Material: ABS + Stainless Steel Voltage: 110-240V Plug: Chinese Standard Plug (Please note that if you need an adapter) Size: Approximately 23 5 x 5 x 4cm / 9 3 x 2 x 1 6 inches Weight: Approximately 539gPacking list: 1 x main unit 1 x power charger and cable 1 x reflux rod 1 x liquid bottle 1 x round lid 1 x spherical massage head 1 x user manual