The smart design vibration alarm, can be taken along with, operating conveniently.The function is well-found.
Features:
1)The password setup/recall, the password can be set up arbitrarily, insuring operate safely, Doubble keys alarm function to meet an emergency, the early-warming time of entrance and withdraw can be selected arbitrarily. It can examine the vibration signal which have no direction and from any angle: Sound and light hint; alarm includes whistle; password memory funtion while change the battery etc..
2)Battery: 3s,5# battery of AA
3)Size:6.5cmx11.6cmx2.7cm
4)Provide OEM