Electronic Sleep Treatment Instrument Insomnia Therapeutic Apparatus by SiamsShop Features: The Electronic Sleep Treatment Instrument Insomnia Therapeutic Apparatus applys for a low-frequency electronic pulse form. Can treat irritability, insomnia, much dream, patients with climacteric syndrome. Through special skin electrode, stimulate the sensitive ear close to the brain, the simulation of traditional Chinese medicine acupuncture technique, reach the purpose of regulating nuclei to promote sleep. Description: Item Type: Insomnia Treatment Instrument Mode: Hypnotic Mode, Treatment Mode Power Supply: 3 X AAA Batteries(not included) Using The Environment Temperature: +5 to +40, the relative humidity is not more than 80% Storage Conditions Humidity: -10 to +40 Color: As the photos show Size: 13cm * 6.6 cm * 2.6 cm Weight: About 93g Package Included: 1 X Insomnia Treatment Instrument 1 Pair X Ear Clip