As the official Polish distributor of HIKVISION equipment for Poland, we ensure: We sell only original HIKVISION products. All goods from our auctions are available FROM HAND. full WARRANTY support for goods purchased from us.. .. as well as full POST-WARRANTY support!. The DS-QAZ1307G1T-E(C) network speaker allows you to remotely reproduce alarm signals and information messages. In addition, the device is equipped with a speech synthesizer in English. Built-in microphones allow you to listen to the surroundings of the device in real time. SPECIFICATION: Rated power: 7 W; Transmission band: 300 Hz.. 13 kHz; Impedance: 8; Speaker sensitivity: 110 dB; Sound intensity level: 121 dBPL; Speaker directivity: 70 ° horizontal100 ° vertical; Signal-to-noise ratio (S/N): 85 dB; Gain control: Yes; Housing: Metal; Sealing class: IP67; Mechanical resistance class: IK10; Power supply: PoE (802.3at); Power consumption: 16.4 W (max); Power output: 12 VDC/ 25 mA; Operating temperature: -30 °C.. 60 °C; Permissible relative humidity: 90%; Weight: 2.1 kg; Dimensions: 274 x 239 x 182 mm; Manufacturer / brand: Hikvision; SAP Code: 347000132; Selected features: . Built-in microphone: 2 x omnidirectional electret microphone; Very good microphone sensitivity; Sensitivity control; Two-way audio support; Alarm input; Full product name: NETWORK TUBE SPEAKER DS-QAZ1307G1T-E(C) 7 W IP67 Hikvision.