... *High quality, 1 year warranty *OEM, ODM Item: Wireless window contacts (ZMC-1) Features: Wireless installation, wireless transmitter, high ... -108dBmApplication: Mainly used for professional anti-theft alarm system for window, door, safe guard box, cash box, ATM, night ... quality products. We have advanced equipment in our factory. At the same time, we ensure that our wireless products and security ...