Use high sensitivity, all directional microphone head and omnidirectional microphone, clear and natural sound; Lightning protection, power polarity transposition protection and electrostatic protection. Scope 10~70 m2 Sensitivity -34±3dB Frequency response 80Hz~16kHz Omni-directional Dynamic range 74dB Max. sustainable sound pressure 110dB..

SM-1 / DC-PLUG module is designed for listening sounds in the environment and is designed to work with DVRs. The entire module is the diameter of the cable to which it is connected, so it can hide virtually anywhere. The device is equipped with the signal connector Cinch (RCA) and a power connector 2.1 / 5.5mm Specifications: - Audio frequency..

·CPU built-in audio sampling module, low interference from the hardware circuit, audio signal has low noise ·Smart audio crack protection, auto low microphone sensitivity to meet the requirements of the high volume to reduce audio crack. ·Adopts wide dynamic range processing technology for the valid audio signal, balances the processing of high a..

High quality copper core cable for CCTV installation. RG59 coaxial + 2x 0.5MM power cable combination. Sold in 100 m roll. On average, it is assumed the video signal can be transmitted over CCTV cable for distances up to 400 m without the use of an amplifier. Impedance: 75 Ohm Conductor: CU wire 0.59 Insulation: PE full 3.7 Screen: Al foil (PET) Br..

High quality copper core cable for CCTV installation. RG59 coaxial + 2x 0.5MM power cable combination. Sold in 50 m roll. On average, it is assumed the video signal can be transmitted over CCTV cable for distances up to 400 m without the use of an amplifier. Impedance: 75 Ohm Conductor: CU wire 0.59 Insulation: PE full 3.7 Screen: Al foil (PET) Bra..

Ceiling Mount Bracket of Mini Dome & Eyeball Camera Neat & Integrated design. Material: Aluminum. Φ128.8mmx767.0mm Load Bearing 2kg..

PFB2211C Ceiling Mount Bracket > Built of aluminum alloy and SECC material, it is cost-effective. > With its internal wiring, it is compact and suitable for a variety of cameras. > It can be scaled from 475 to 800 mm...

- Aesthetic design - Material: aluminum & PC - Ceiling mount bracket - Dimension Φ133.6mmx235.5mm - Operating Temperature -40ºC~+60ºC..

- Material: SECC & PC - In-ceiling Mount Bracket - Neat & Integrated design - Φ166.0mm x 75.8mm..

- Aesthetic design - In-ceiling Mount Bracket - Material: SECC & PC - Φ213mmx89.5mm - Fits HAC-HDBW3xxxE, IPC-HDBW5xxxE, IPC-HDBW8xxxE series cameras..

Silicone Cover..

>Aesthetic design >Material: Aluminum >Junction box > See Dahua Accessory Selection for fitment > Dimension: Φ159mmx35mm..

Fisheye Adapter Plate >Neat & Integrated design. >Material: Aluminum...

>Neat & Integrated design. >Material: Aluminum. >Dimensions (W x H x D): Φ134.1mmx83.5mm >Load Bearing: 1kg >Color: White >Applicable Model: DH-PFB305W, DH-PFB220C..

>Aesthetic design >Material: aluminum >Mount adapter..