Measuring range: J-type:-210C to 1200C (-346F to 2192F) K-type:-200C to 1372C (-328F to 2501F) T-type:-250C to 400C (-418F to 752F) E-type:-150C to 1000C (-238F to 1832F) N-type:-200C to 1300C (-328F to 2372F) R-and S-type:0C to 1767C (32F to 3212F) 0.1C /F<1000;1.0C /F1000 Resolution:0.1%+0.6C Accuracy:Bi-channel input input:0C ~ 40 C Operating Temperature:- 10 C ~ 50 C Storage Temperature:20~90% Power supply: 3*1.5V AAA Battery ( No included ) Weight:159.0g K-type thermocouple: -50~300C (2pcs included in the package) Accuracy 1.5% Note: This device is fit for J K T E N R and S type thermocouple, but the measuring range of K-Type thermocouple which is included in the package is -50~300 C. If you need to test higher temperature , please order another thermocouple. Package Content: 1 x GM1312 Digital Thermometer ( No including the retail box or battery ) 2 x K-type thermocouple (-50~300C)