It uses 3 LR44 button-cell batteries, which provide approximately 1 year of standby operation.
MC03 – Door Detector Sensor, Magnetic Connected, Battery Operated
Summarized Features:
- 130dB Loud Alarm – Instant alert when door/window opens.
- Tool-Free Installation – Mounts easily with 3M adhesive.
- 1-Year Battery Life – Powered by 3 × LR44 batteries.
Key Features
•Wireless and Magnetic Design: No wires required, easy to install on any door.
•High Sensitivity: Accurately detects door opening and movement for enhanced security.
•Battery-Powered with Long Life: Up to 1-year battery life ensures uninterrupted operation.
•Ideal for Home and Apartments: Perfect for securing entry doors, sliding doors, or office spaces.
•Compact and Durable: Designed to fit discreetly while withstanding daily use.
| Parameter | Value |
|---|---|
| Working Humidity | ＜ 90% |
| Working Temperature | -10 ~ 50°C |
| Alarm Volume | 130dB |
| Battery Type | LR44 × 3 |
| Standby Current | ≤ 6μA |
| Induction Distance | 8 ~ 15 mm |
| Standby Time | About 1 year |
| Alarm Device Size | 65 × 34 × 16.5 mm |
| Magnet Size | 36 × 10 × 14 mm |
130dB High-Decibel Alert
Triggers a powerful 130dB siren to scare off intruders and warn occupants instantly.
Replaceable LR44 Battery × 3
Battery compartment opens easily for quick replacement—no tools or technician needed.
Simple Peel-and-Stick Installation
Mounts in seconds using included 3M adhesive—ideal for homes, rentals, and offices.
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Frequently Asked Questions
How is the MC03 door alarm powered?
How loud is the alarm when triggered?
The alarm outputs a powerful 130dB siren, loud enough to be heard throughout a home or small office.
How do I install the device?
Simply peel the backing from the included 3M adhesive and press both the sensor and magnet into place. No tools or screws required.
What is the ideal distance between the sensor and magnet?
The optimal induction distance is between 8–15mm. Proper alignment is important to ensure detection accuracy.
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