◆Temperature range: Indoor:  0C to 50C(32F to 122F)

Outdoor: -50C to +70C(-58F to 158F)

◆ Hygrometer range: 15%RH to 95%RH

◆ temperature accuracy

Indoor: +/-1C(+/-1.8F)

Outdoor:15C to +35C(59F to 95F) during temperature range+/-1C(+/-1.8F);

Other temperature range +/-2C(+/-3.6F)

◆ Temperature resolution:0.1C(0.1F)

◆ Hygrometer accuracy:+/-5% during temperature 15C to +35C(59F to 95F),during Other thermometer range is +/-8%

◆ Hygrometer resolution : 1%

◆     Battery: 1.5V  LR03  AAA(7#) SIZE

◆     Unit size: 108 X100 X20MM