Features:
Automatic calibration time with RCC receiving form: DCF(Germany only)
Convenience to monitor ambient temperature and humidity.
2 temperature units(?/?) to switch from.
12-hour/24-hour displaying system selection.
Wall hanging or desk-top stand support.
7" large LCD screen, displays data clearly.
3 levels backlight adjustable. (when powered by the power adapter)
Voice control backlight function. (when powered by 3*AAA battery)
Functions: calendar, clock, radio wave, backlight, indoor/outdoor temperature and humidity, etc.

Specifications:
Voltage: 240V
RCC Receiving: DCF
Output: 5V
Material: PP
Indoor Temperature Range: -10~60? / 14~140?
Outdoor Temperature Range: -40~70? / -40~158?
Humidity Range: 20~99%RH
Accuracy: 1?, 5%
Working Distance: 100M (no obstacle)
Screen Size: 16.4 * 9.2cm / 6.46 * 3.62in
Power Supply:
Host: 3 * AAA battery (NOT included), or power adapter
Transmitter: 2 * AA battery (NOT included)
Item Size:
Host: 23.5 * 16.5 * 2.5cm / 9.25 * 6.49 * 0.98in
Transmitter: 12.5 * 4.6 * 2.5cm / 4.92 * 1.81 * 0.98in
Item Weight: 615g / 21.69oz
Package Weight: 745g / 26.28oz
Package Size: 24.5 * 17 * 7.8cm / 9.64 * 6.69 * 3.07in

Package List:
1 * Host
1 * Transmitter
1 * Power Adapter
1 * Manual (English)