A wall-mounted automatic light switch that turns lights on and off based on natural daylight levels, saving energy in offices and buildings.

An automatic light switch that turns lights on and off based on daylight, uses very little power, and works with standard African and Middle Eastern 220–270V electrical systems.

Wall-mounted automatic light sensor that turns lights on and off based on natural daylight, suitable for offices and industrial buildings running on standard power.

Portable light meter with photodiode sensor for precise illuminance measurement.

Handheld light meter measuring illumination levels from 400 to 400,000 lux for workplace safety.

Digital light meter measuring illumination levels with data logging capability.

Professional light meter with data storage for illumination measurement.

Light meter measuring illumination levels for workplace and environmental assessment.

Light meter with smartphone connectivity for illuminance measurement and logging.

Handheld light meter for measuring illumination with peak hold function.

Portable light meter measuring illumination from 0 lux with photodiode sensor.

Handheld light meter measuring very low to very high illuminance levels with photodiode sensor.

Handheld light intensity meter with 4% accuracy and 0.1 lux resolution.

Portable light level meter for measuring illuminance and lighting quality assessment.

Portable light meter measuring illuminance levels with 3% accuracy for workplace safety.

Compact light meter measuring illuminance from 0.01 lux for laboratory and workplace testing.

Light meter measuring 40 to 400000 lux with ±3% accuracy for various applications.

Portable light meter measuring illuminance levels in workplaces and facilities.

Testo light meter measuring up to 100000 lux with 0.1 lux resolution.