Temperature And Humidity Recorder

* one external temperature sensor and one internal humidity sensor* very easy to use and highly accurate* output charts and graphs are available* temperature measuring range: -40 to +150 deg cel* accuracy:0.5 deg cel* humidity measuring range:0 to 100 % RH* accuracy:3% RH* LCD display* capacity:30,000 data* time interval:1 second to 24 hours* programmable delayed start:1 second to 24 hours* battery life: One year* water resistance: IP65* size:10 x 7 x 2 cm* ABS plastic case