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Electric Magnetic Door Lock 12V/24V 60kg 130lbs Mini DC EM Locks Holding Force Electromagnetic for Door Entry Access Control
- Materials: Stainless steel, Anti-residual magnesium designed. This magnetic door lock provides a strong sense of security with its outstanding holding force 60KG (130LBS) and significant features.
- Mode: NC Mode, Locked whilst power supply is operating, unlocked when power off; Fail-Safe Mode.
- Security protection: This electric magnetic lock has safety function. It is built in voltage spike suppressor.
- Wide Applications: This magnetic door lock is suitable for Wooden Door, Glass Door, Metal Door, Fire Proof Door, Cabinet, etc.
$16.99 – $18.99 -
Electric Strike Door Lock for Access Control System Suitable for Wooden Door, Glass Door, Metal Door, Fireproof Door (NO-Open When Power ON)
UPC: 749715918070
Aluminum, Stainless Steel Bolt ,Firm Security Safe Door Lock. NO mode-Locked when power is on.
High-Temperature Painted, Durable and Beautiful Article Ensure a Elegant Door Access Control System.
Testing 1000000 cycles to Offer You a Trusted Electronic Door Locks.Support Holding: 500kg / 1100 pounds
Please note that Strike lock need work with Mechanical lock or knob lock which need buy separate.
With two contacts and no polarity requirement. (The lock will have polarity when a diode added.)$22.59 -
Power Supply Controller AC 110-240V to DC 12V for Door Access Control System & Video Intercom Entry
AUTENS power supply controller is small, easy to install and easy to use. The voltage ranges from 100V-240V to normal use, suitable for all countries of the world.
Power supply controller is a transformer which provides stable output voltage for access controller, lock, and exit button.
Set NC / NO outputs, can control various types of electric locks. Based delay control circuit, lock time can be in 0-15 seconds.
UPC: 749715919169$15.99 -
Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits
- Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits.
- Multiple frequency selective inhibition of effective environmental noise, pure tone, dynamic brave.
- Automatic gain control (AGC) circuit.
- Sensitivity can be adjusted.
- Low noise, high fidelity.
- Power polarity protection circuit. Gum design, convenient installation.
- For the school, bank, factories and other environmental synchronous recording project.
$9.99 -
Pickup Sound Monitor Built-in Digital Processing Circuit Quality Sounds For CCTV DVR KIT IP Camera
- Pickup Sound Monitor Built-in Digital Processing Circuit Quality Sounds For CCTV DVR KIT IP Camera.
- Built-in digital processing circuit, multistage dynamic noise reduction processing.
- Clear Voice, low noise. AGC automatic gain circuit.
- The echo eliminate technology. Reduce echo in the empty room
- Pinhole design, convenient hidden installation.
- Applicable to public security organs, trial, supervisor of the warehouse, divisions, police station, telecommunications, bank Treasury departments audio monitoring.
$14.99 -
Power supply for CCTV Microphone Stable Professional Power Supply Offer Pure Sound
- CCTV Microphone Power supply for CCTV Microphone Stable Professional Power Supply Offer Pure Sound.
- Specifically for audio monitoring design special pick-up power.
- The power supply can be provided with a ripple clean dc 12V.
- Let the pick-up output audio signal to noise smaller, reduce user due to the use of power caused by improper pickup sound big problem.
$27.99 -
Anti-echo CCTV Pickup Microphone Sound Monitor with Quality Sounds with 3000m Transmission Range
- Anti-echo CCTV Pickup Microphone Sound Monitor with Quality Sounds with 3000m Transmission Range.
- Using multistage dynamic noise reduction processing.
- Built-in Imported chips, high sensitivity, Using Dolby noise reduction technology.
- Integrated import front audio amplifier, microphone can drive directly Active speaker, DVR and recorder.
- Suit for place such as police, court, meeting room. Interrogation room, bank, etc.
- The monitor head has built-in lightning protection and power polarity reversal protection.
- The 3-core 0.5mm RVVP shielded cable is used to transmit 3 km without distortion.
$32.99 -
Alloy CCTV Microphone Sensitivity Dolby Surround Sound Audio Monitoring For Surveillance Security Kits
1. Alloy CCTV Microphone Sensitivity Dolby Surround Sound Audio Monitoring For Surveillance Security Kits.2. Special imported microphones.3. Directional logic dolby surround sound system, imported high-speed voice processing chip, the Listening range 10-100 square meters.4. Comply with CE, FCC, ROHS.$48.99 -
100sqm CCTV Microphone Mini Surveillance Voice Monitoring for Network DVR KIT
- CCTV Microphone Mini Surveillance Voice Monitoring with 100sqm Monitoring scope for Network DVR KIT.
- Clear voice, Be widely used in charging system of Bank, customs and Luxury hotels.
- The pickup has built-in lightning protection and power polarity reversal protection
$18.99 -
Smallest CCTV Microphone with Quality Sounds Suitable for HIKVISION Dahua Audio Pickup 5pcs/lot
- Smallest CCTV Microphone with Quality Sounds Suitable for HIKVISION Dahua Audio Pickup with Built-in IC audio professional amplifier.
- The noise is small, the sound reduction degree is high.
- It adopts imported high-fidelity low-noise processing chip and dedicated microphone, and built-in automatic gain control circuit, the voice is pure and clear, and the noise is smaller.
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Automatically suppresses high-intensity sound and reliably protects back-end audio monitoring equipment
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The pickup has built-in lightning protection and power polarity reversal protection.
$27.59 -
Sound Monitor Concealed with interface Audio Microphone Suitable for HIKVISION Dahua 50sqm
1. Sound Monitor Concealed with interface Audio Microphone Suitable for HIKVISION Dahua 50sqm.2. Miniature SMT design, low noise, high fidelity.3. Mini Sound Monitor easy installation4. Monitoring scope: 5 – 50 square meters.$8.99 -
CCTV Microphone Mini Sound Monitor Sensitivity Audio Sound Pick Up For CCTV Surveillance Kits
- CCTV Microphone Mini Sound Monitor Sensitivity Audio Sound Pick Up For CCTV Surveillance Kits.
- Multiple frequency selective inhibition of effective environmental noise, pure tone, dynamic brave.
- Automatic gain control (AGC) circuit. Sensitivity can be adjusted.
- Low noise, high fidelity. Power polarity protection circuit.
- Gum design, convenient installation.
- For the school, bank, factories and other environmental synchronous recording project.
$7.99
