









External sensor for alarm input annunciator T505


This offer is for the motion sensor only. The receiver can be purchased under a separate offer. Sets are also available.
Discover the Spreest Wireless Motion Sensor, which ensures security wherever you need it most. Install it at your gate, wicket, driveway, or in the garden, and the device will immediately detect motion and transmit a signal to the receiver in your home.
The sensor offers an adjustable detection range of 10m or 15m and a detection angle of 15°, allowing for precise monitoring of the designated area. Stable and fast communication is ensured by a transmission range of approx. 800m between the transmitter and receiver.
PIR technology enables the detection of real heat sources such as people, vehicles, and animals, ensuring reliable environmental monitoring.
The outdoor unit is fully waterproof IP65, and the receiver supports up to 4 sensors, allowing you to create your own extensive property protection system.
Key Features
1. Precise motion detection – The sensor monitors a selected zone with a narrow 15° angle, eliminating false alarms and providing effective property protection.
2. Adjustable detection range – Ability to set 10m or 15m mode, allowing the system to be adapted to different conditions and locations.
3. Long-range wireless connectivity – A transmission range of up to 800m ensures stable and reliable operation even on very large properties.
4. Animal detection with false alarm reduction – The sensor detects the movement of larger animals, but appropriate installation at the correct height allows for the exclusion of smaller animals, such as cats.
5. Easy installation and quick setup – The receiver connects directly to a power outlet, and intuitive sensor mounting allows for full configuration in minutes.
6. Multi-sensor support – The system allows up to 4 sensors to be assigned to one receiver, enabling the creation of extensive protection for different areas of the property.
7. Alarm customization – The ability to choose a signal melody for specific sensors makes it easier to identify the location of motion detection.
8. Alarm volume control – Adjusting the signal level to individual needs, environmental conditions, or time of day.
Technical Specifications
Motion sensor:
- Power supply: 3 × AA 1.5 V battery
- Detection range: 10 m (Low) / 15 m (High)
- Detection angle: 15°
- Transmission range: Approx. 800 m (½ mile)
- Operating current: ≤1 mA (static), ≤100 mA (alarm)
- Operating frequency: 433 MHz FSK+FHSS
- Operating temperature: –30°C to +70°C
- Sensor dimensions: 70 × 90 mm
- Depth: 90 x 70 x 65 mm
- Weight: 130 g
The set includes
- 1x Sensor
- 1x Set of mounting accessories
- 1x User manual
Additional components available in other offers.







