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Switching Power Supply
> Outputs through 8 channels and can supply to multiple devices at the same time.
> The output voltage can be adjusted to 3 levels, making it easily adapt to various types of devices.
> Easy to install, the device supports wall mount installation.
> Designed with protection against overcurrent, overvoltage, and short circuits.
> Surge protection: common mode: ±4 kV, differentiate mode: ±2 kV.
> V-0 fireproof.
The Dahua ARD821-W2 is a compact wireless panic button designed for Dahua alarm systems, allowing users to send an instant emergency alert when pressed. It is ideal for homes, offices, shops, and reception areas where quick alarm activation is important.
The device uses two-way RF communication to ensure reliable signal transmission and confirmation from the alarm hub. It features LED indicators for status and battery alerts, plus protection against accidental presses to reduce false alarms. Its small, portable design allows it to be carried or wall-mounted for easy access.
With secure encrypted wireless communication, long transmission range, and long battery life, the ARD821-W2 provides a simple and dependable way to trigger emergency alarms within a Dahua wireless security system.
The Dahua IPC‑HFW1230S1P is a 2 MP Full HD (1080p) bullet network camera designed for reliable home and business surveillance. It features a 1/2.8″ CMOS sensor for crisp, clear video at up to 1920×1080 resolution and 30 fps, ensuring smooth footage both day and night. The camera’s Smart IR LEDs provide night vision up to 30 meters, while intelligent functions like motion detection, video tampering, and abnormality alerts enhance security. Housed in a durable IP67 weatherproof casing, it’s suitable for outdoor use in all weather conditions and supports both 12 V DC and PoE for flexible installation. Efficient video compression (H.265/H.264) reduces bandwidth and storage needs, making it ideal for monitoring entrances, driveways, yards, offices, and residential properties.
Dual-ear design for immersive sound
Built-in microphone for clear voice communication
Adjustable headband with padded earcups for comfort
Lightweight and durable for long-term use
Universal compatibility: PC, laptop, tablet, IP phones
Ideal for calls, online classes, video conferencing, and multimedia
An undergate cable is a heavy-duty insulated cable used in electric fencing systems to safely transmit high-voltage current beneath gates, driveways, or other non-electrified gaps** in a fence line.
The "100kg" typically refers to the tensile strength or durability rating of the cable's outer insulation/sheathing, meaning it can withstand physical stress or pressure up to 100 kilograms — useful in areas with vehicle or livestock traffic.
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