Wireless smoke detector JALO Helsinki J4B‑11 with a photoelectric sensor is designed to protect residential and commercial premises. It operates from an integrated 9 V battery, does not require connection to the power grid, and features compact dimensions and a stylish design.
Characteristics:
- Model: JALO J4B‑11
- Type: autonomous smoke detector
- Power supply: built‑in 9 V battery
- Alarm signal volume: ≥85 dB (at 3 m)
- Sensor type: photoelectric
- Light indicator of operation and activation
- Test button for functionality check
- Easy installation: mounting hardware included
- Operating temperature range: from 0 °C to +40 °C
- Dimensions: Ø110 mm × 41.4 mm
Advantages:
- Reliable fire protection
- No need for mains connection
- Low‑battery warning notification
- Suitable for apartments, houses, offices, hotels and warehouses
- Operating temperature 0–45 °C, relative humidity 0–90 %
- Battery life up to 10 years
ET
RU
CL 500 Color Lacquered 








