Dahua Technology HAP320-V, Microphone, Dahua, Grey, Metal, 100 Ω, IP66 Dahua Technology HAP320-V. Type: Microphone, Brand compatibility: Dahua, Product colour: Grey. Connectivity technology: Wired. Diameter: 8 cm, Height: 23.5 mm, Weight: 185 g. Quantity per pack: 1 pc(s)