1. Display hour, minute, second, Analog clock, alarm, snooze, indoor temperature& humidity;
2. Two display mode: time/ countdown display mode;
3. Set alarm with Max./Min. values of indoor temperature/humidity by handy;
4. Overtemperature and humidity upper limit display with different color display;
5. Dynamic seconds countdown indicator and countdown sand glass icon display;
6. Waterproof grade: IP65;
7. Control method: press hidden button on the back cover & touch button on the top;
8. Rotation snap back cover, detachable silicone sucker, easy to install;
9. Power supply: USB cable (Micro usb blocked by silicone plug ) or battery (3*1.5 V AAA);
10. Installation: desktop or suck on the glass;