1, Patent number: 200730131428.0
2,Count up and count down function The countdown time reaches 99 hours 59 minutes;
3,It will make sound of BB..BB when the countdown time setting arrives its value;
4,Easy operation and beautiful design;
5, There is magnet, support and spare hangs in the back of the products;
6, Color is optional and could meet client's needs to do OEM.