Specification AM1901:Pulse physiotherapy, Five modes (Automatic / Beating / Massage / Scraping / Acupuncture & moxibustion),15 levels of force adjustments per mode,Fomenting function and constant temperature; Sound Control Function, Remote Control, Light weight Color: Gold/Green Power Rating: 5W DC: 5V Battery capacity: 700 mAh Material: ABS/Silica gel Use: Neck massage 20''/40''/40''HQ: 13440/28560 /33320 Certifications: Utility model patent /Design patent Product Size: 138 x 114 x 50mm Packing: carton packaging(Glitter Version) carton packaging(Standard Version) Packaging Size: Glitter Version 169 x 146 x 62mm; Standard Version 165 x 153 x 60mm Net weight/Gross weight:Glitter Version112g/360g; Standard Version 112g/275g Quantity:40PCS/Carton; Carton Size:700 x 315 x 360mm Specification AM2011 Light weight physiotherapy, Two Stage Hot Press (high @ ~41°, low @ ~38°),Five modes (Automatic / Beating / Massage / Scraping / Acupuncture & moxibustion), 15 levels of force adjustments per mode, Fomenting function and constant temperature; Sound Control Function, Remote Control, Touch Control panel, Unique structure patent design, Remote control operation, Lightweight @ ~ 90g only ColorWhite/Green Power Rating: 5W Input voltage :DC 5V battery capacity : 450 mAh Material: ABS/Silica gel Use: massage the neck 20''/40''/40''HQ: Certifications:Utility model patent /Design patent Product Size: 115 x 115 x 48mm Packing: carton packaging(Glitter Version) carton packaging(Standard Version) Packaging Size: Glitter Version169 x 146 x 62mm, Standard Version165 x 153 x 60 mm Net weight/Gross weight:Glitter Version92g/345g, Standard Version92g/260g Quantity:30PCS/Carton Carton Size:450 x 352 x 334 mm Case Pictures