Spy 3 is the world’s smallest detector offering concealed protection for rooms and supporting various other control and access applications. It is flush-mounted in a wall, providing coverage of six double-beams in a single detection layer, with a maximum coverage area of 8m/100o (25ft/100o). Despite its miniature size, the Spy 3 detector achieves full-size performance by implementing state-of-the-art detection technologies. Backed by 30 years of Visonic expertise, Spy 3 offers industry-leading sensitivity and reliability levels while virtually eliminating false alarms. Designed for ease of use, Spy 3 is easily installed in any home, office, or other commercial environment. It is installed so only the lens is visible – rendering the detector virtually unnoticeable.
Features
- Virtually concealed after mounting: Offers discreet security without compromising aesthetics.
- Ideal for security, CCTV and control applications: Versatile use in various environments for enhanced security measures.
- Tiny size: Diameter: 19 mm (0.75 in) Length: 70 mm (2.75 in): Compact design allows for flexible installation options.
- Range: 8m/100o (25ft/100o): Extensive coverage ensures maximum protection of the area.
- Six double beams in a single detection layer: Enhanced detection capabilities reduce blind spots.
- Exceptionally high reliability and false alarm immunity: Minimizes disruptions and increases trust in the system.
- RF protection up to 1000 MHz: Ensures consistent performance in wireless environments.
- 10-14 VDC power supply: Flexible power requirements for various setups.
- Fast and easy installation: Saves time and effort for installers, ensuring quick deployment.
Visonic SPY-3 Detailed Specifications
| Feature | Details |
|---|---|
| Detector Type | PIR Motion Detector |
| Dimensions | Diameter: 19 mm (0.75 in) Length: 70 mm (2.75 in) |
| Coverage Area | 8m/100o (25ft/100o) |
| Detection Layers | Six double beams |
| Power Supply | 10-14 VDC |
| RF Protection | Up to 1000 MHz |
| Installation | Flush-mounted for discreet appearance |
| False Alarm Immunity | High reliability with minimal false alarms |



















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