1, digital thermometer, 2,CE and ISO certificate. 3,OEM accepted 4. Good design and quality We can supply many kinds of digital thermometer, ... Yes Replaceable Battery Yes Response Time 60 seconds Memory 1 Accuracy±0.1(±0.2) Test Range 32.0-42.9 ... ),3 digits,15.3 x5.7mm Power Source One 1.5 V Button Battery model LR 41 Battery Life ... 55(-13-131);Relative Humidity:25%RH-85%RH digital thermometer