Sentra | Wireless solar outdoor siren for the QT1 & QT2

The Sentra Wireless Solar Outdoor Siren is a powerful and low-maintenance addition to your alarm system. It combines an extra-loud audible alarm with a striking red flashing light to effectively deter burglars and alert neighbors or passersby.

Thanks to its integrated solar panel, the siren operates independently of its own power. Battery replacement is not required, significantly reducing maintenance. Even in persistent cloud cover or shadows, the siren can operate for up to 30 days. A full charge of the integrated lithium battery requires only about 6–7 hours of sunlight.

To increase security, the siren features two tamper contacts: a tear-off contact on the back and an opening contact in the housing. These immediately detect tampering attempts and trigger an alarm if necessary. The alarm duration can be individually set to 1, 3, or 5 minutes – in accordance with legal requirements.

It is mounted by screwing it to a wall or ceiling. The weatherproof housing makes the siren ideal for outdoor use. It is fully compatible with the Sentra QT1 and QT2 alarm control panels.

Product highlights

• Loud siren (125 dB) with red flashing light for maximum deterrence
• Integrated solar panel – no battery change necessary
• Up to 30 days of operation even without direct sunlight
• Fully charged in approximately 6–7 hours of daylight
• Two integrated tamper contacts against manipulation
• Adjustable alarm duration: 1, 3 or 5 minutes
• Weatherproof housing (IP56) for outdoor use
• Easy wall or ceiling mounting
• Full compatibility with Sentra QT1 and QT2

Technical data

• Dimensions : 26 x 19 x 6 cm (L x W x D)
• Sound pressure : 125 dB @ 1 m
• Weight : 0.7 kg
• Setting sound frequency : 3 modes frequencies
• Lighting : Yes, red
• Tamper monitoring : Yes, opening contact and tear-off contact
• Tamper indication of the sensor in the control panel : Yes
• Sensor tamper indication in the app : Yes
• Transmission range : Approx. 30 to 100 meters (depending on local conditions)
• Mounting options : screwing
• Power supply : solar power or power supply
• Battery : Lithium battery 3.7V 1000 mAh
• Installation location : wall, ceiling
• Directive compliant : CE, FCC, RoHs
• Protection class : IP56
• Operating temperatures : -10°C to 45°C
• Compatible with : Sentra QT1 & Sentra QT2

Scope of delivery

• 1x Sentra wireless solar outdoor siren
• 1x mounting material (screws and dowels)
• 1x User manual (German)

The Sentra wireless solar outdoor siren offers maximum security for outdoor areas. It is particularly suitable for house entrances, driveways, garages, or remote parts of buildings where visual and audible alarms are required. Its self-contained power supply allows for flexible deployment – without the need for additional wiring.