Product Name: Villa SystemModel Number: 7156+7440Place of Origin: ChinaFeatures:1) Functions:a) Door bellb) Door phonec) Video observanced) Optional functions:i) Image recording: automatically store u

Product Name: Villa Video Door Phone SystemsModel Number: 7450+7168Place of Origin: chinaOptions:1) Extending interphone2) Visitors image recorder

Options:1) Extending interphone2) Visitors image recorder

Product Name: Wireless Audio DoorphoneModel Number: NSK7418+7159Place of Origin: ChinaFeatures:1) Talks between door station and handset can be done simultaneously2) Handsets can be free to move withi

Features:1) Talks between door station and handset can be done simultaneously2) Handsets can be free to move within the communication area(communication distance up to 100 meters at coverage range)3)

Functions:1) Door bell2) Door phone3) Video observation4) Remote unlock5) Visitor image record (optional)Features:Monitor1) Wall mounting installation2) Case: plastic3) Bell ring: 12 optional music me

Product Name: Wireless Video Door PhoneModel Number: 7440=7160-WLPlace of Origin: ChinaFunctions:1) Door bell2) Door phone3) Video observation4) Remote unlock5) Visitor image record (optional)Features

Product Name: Wireless Villa SystemsModel Number: 7481+7160C-WLPlace of Origin: ChinaFeatures:1) Wireless video door phone system2) 2-way design3) 10 channel audio4) 1-way 4 channel video5) Remote loc

Features:1) Wireless video door phone system2) 2-way design3) 10 channel audio4) 1-way 4 channel video5) Remote lock control6) Color images7) Optional for image recording8) Functions:a) Door bellb) Do