The B1A21P is a two-megapixel HDCVI bullet camera for a compatible coaxial-video installation. Its fixed housing is suitable for a view selected during the camera-position survey.
Model and connections
Dahua B1A21P 2MP HDCVI Bullet Camera: Model: B1A21P. Resolution: 2 MP. Format: Bullet. Video system: HDCVI. Power: 12 V DC.
Match the lens and recorder input to the delivered camera. Check night lighting on the actual scene instead of interpreting an illumination distance as an identification guarantee. Keep the power supply voltage and cable drop within the specified limits.
Building the installation
The supply price applies to the named equipment. Confirm the lens, hardware revision and included accessories where relevant. Cables, storage media, mounting boxes, subscriptions and labour should appear separately on the order unless expressly included. This keeps comparisons between equipment-only and installed-system quotations meaningful.
Compare compatible items in the CCTV camera and recording equipment range when preparing the system schedule. Plan any required monitoring notices alongside the site safety signs and labels, with placement agreed for the intended premises.
Setup and maintenance
Check a recorded sample from every channel after the camera is positioned. Inspect connectors, power joints and cable protection when image noise or intermittent loss appears. Keep the camera lens clean and adjust lighting or position if nearby surfaces reflect illumination back into the lens.
Consult the manufacturer product and support information for the exact delivered model. Keep commissioning details available for future changes and limit system access to authorised users. Browse the full safety equipment range when coordinating the remaining building and workplace equipment.
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