Citizen Systems Cordless Thermo-Hygrometer

Manufacturer part number: "THD501" Size and weight Weight: Parent unit: Approx. 220g (excluding batteries) Handset: Approx. 85g (batteries not included) comment Ideal for preventing heat stroke, influenza and dry skin A cordless thermometer/hygrometer that can monitor temperature and humidity in remote locations ○ Temperature and humidity are automatically transmitted from the child sensor to the parent sensor approximately every minute. ○ Temperature and humidity can be measured at two locations: the parent unit and the child unit sensor ○Heat stroke index is displayed in four stages No need for complicated settings, just insert the battery and start measuring ○Easy-to-read display on large LCD screen ○ Both the parent and child units use three AA alkaline batteries Battery life: approx. 1 year Materials and raw materials - Standard details [Parent unit] Measurement interval: Approximately 1 minute Communication distance: Approximately 30m (unobstructed spatial distance between parent and child sensors) ○ Rating and power supply: DC4.5V direct current, 3 AA alkaline batteries Battery life: Approximately 1 year External dimensions: Width 148 x Height 140 x Depth 25 mm [Sub-unit] ○ Rating and power supply: DC4.5V direct current, 3 AA alkaline batteries Battery life: Approximately 1 year External dimensions: Width 65 x Height 122 x Depth 22 mm