Portable HC520 Indoor Outdoor Digital Humidity Hygrometer Thermometer 1. General Description: IN/OUT Temperature & Humidity Meter is characterized at: * multi-function * low power consumption * high stability & accuracy * memory of last measuring value 2. Features: * IN and OUT temperature measuring * display temperature and humidity simultaneously * MIN and MAX value recording * Comfortable degree symbol * / unit selectable * Desk-top placing or Wall Hanging 3. Specification: * Temperature range: IN side temperature: -10~+50 +14~+122 OUT side temperature: -50~+70 -58~+158 * humidity range: 20%~99%RH * resolution: Temperature: 0.1 (0.1F) humidity: 1% RH * accuracy: temperature: 1 -20~60 2 other humidity: 5%RH (20%~99% at 25 * power supply: 1.5V (AAA size) x 1 * product dimension: 78 x 98 x 17 mm * weight: Approx. 95g * storage condition: -20 ~60 , 20~80%RH