National Geographic IN103TOP Specifications, Recommended Remote Sensor Operating Range, Batteries

SPECIFICATIONS
Displayed Indoor Temperature	0°C to 50°C (32°F to 122°F)
Range
Recommended Remote Sensor Operating Range
Sensor with LCD Display	0°C to +50°C (+32°F to +122°F)
Sensor without LCD Display	-20°C to 50°C (-4°F to 122°F)
Detachable Outdoor Probe	-50°C to 70°C (-58°F to 158°F)
Transmission Range	Maximum 30m (100 ft) open area
Transmission Frequency	433.92 MHz.
Clock	Quartz
Batteries
Thermometer Station	DC 1.5V size AA 2 pieces (home receiver)
Remote Sensor	DC 3V x 1 pieces (sensor)
Battery Life (Status)
Receiving Unit	Approximately 1 year
Remote Sensor	Approximately 6 months

Disposal of the device (environment)

At the end of the product lifecycle, you should not throw this product into the normal household garbage but bring the product to a collection point for the recycling of electrical and electronic equipments. The symbol on the product, user guide and/or box indicate this.

Some of the product materials can be re-used if you bring them to a recycling point. By reusing some parts or raw materials from used products you make an important contribution to the protection of the environment. Please contact your local authorities in case you need more information on the collection points in your area.

Batteries must be removed before disposing of the device.

Dispose of the batteries in an environmental manner according to your country regulations.

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