7 inch touch buttton video door phone

Functions Calling,intercom ,survelliance ,remote lock release Parameter Model No:7870 NCX_CVoltage Requirement:AC100V-240V,50Hz / 60HzPower Comsuption:Standby:< 1W; Operation:< 5WVideo Output:1Vpp-p 75Ω,PAL or NTSCConnection Method:4 wires Monitor Screen:7.0" TFT LCDCall Tone:All from camera; Electronic chimeCommunication:Simultaneous TypeCommunication Duration:60 sec ± 10%Communication Distance:AWG 22 - 26; 50 to 100 meterOperating Temperature:0° to +40°  (32°F - 104°F)Installation:Surface or table mountingProtection Level:IP54Package Dimensions (mm):273(W) ×152(H) ×33(D)Inner Package (mm):285(W) ×206(H) ×70(D)Carton Size (mm):590(W) ×380(H) ×230(D) 10pcs in a cartonEnterprise Quality System Certification Management Certificate: ISO 9000/9001/9004/9011:2000 ISO 14000:140001,CE and other related certificates. Contract Manufacturing: OEM & ODM service will be provided if need. Also buyer label offered.
7 inch touch buttton video door phone