Name: Electronic indoor digital thermometer ( S-W09F) * good for test indoor temperatue as electronic indoor digital thermometer * Indoor outdoor temperature meter with portable and high accuracy * Pass CE and RoHS certificate * Theory: Electronic temperature meter Description: * One display shows inside and outside temperature. * Extend 3M temperature sensor wire length * 1.5V AAA( 7# ) battery Parameters: * Measuring range: -10º C~ 60º C for indoor; -50º C~ 70º Cfor outdoor. * Resolution: 0.1º C * Accuracy: + / -1.0º Cwithin( -10º C~ 60º C) , + / -2º C otherwise Size: * Unit size: 108( L) x102( W) x20( T) mm * Display size: 91x67mm 2 key operation: [ RESET] : May eliminate is highest and lowest indoor, outdoor temperature [ MAX/ MIN] : The memory is highest and lowest indoor, outdoor temperature