LED work headlamp | floodlight | head-mounted | 400 lm | 3.7 V | 2.6 Ah | rechargeable | Brennenstuhl | SL 400AF | 1177310 | 4007123667918

Technical specifications

Manufacturer: Brennenstuhl
Product type: LED head torch / head-mounted work light
Lamp type: headlamp
LED type: OSRAM LED
Luminous flux: 400 lm
Light range: up to 80 m
Front light modes: 100% / 40% / 10% / SOS / red light
Rear light modes: red / flashing red
Operating modes: manual control and contactless control via infrared sensor
Focusing: adjustable from wide close-range light to focused long-distance light
Battery voltage: 3.7 V
Battery capacity: 2.6 Ah
Battery technology: lithium-ion
Battery type: 18650
Number of cells: 1
Battery included: yes
Rechargeable: yes
Charging time: approx. 4 hours
Operating time: up to 50 hours, depending on the selected mode
Charge indicator: yes
On / off switch: yes
Protection class: IP44
Suitable for outdoor use: yes
Housing material: plastic
Adjustable tilt angle: yes
Height: 11.40 cm
Length: 5.90 cm
Width: 8.50 cm
Weight: 0.18 kg

Functions

400 lm luminous flux – brightly illuminates the work area, path, technical room or other zone in low-light conditions.
OSRAM LED light source – ensures high-quality, efficient and reliable lighting.
Head-mounted design – allows working with both hands free, making it convenient for installation, repair or maintenance work.
Manual control mode – the headlamp can be switched on, switched off and changed using a standard button.
Contactless control via IR sensor – the light can be switched by hand movement without touching the headlamp.
Several front light modes – 100%, 40%, 10%, SOS or red light can be selected according to the working situation.
SOS mode – intended for emergency signalling or situations where help needs to be called.
Red front light – useful in the dark when less glare is needed or better visibility in the surroundings must be maintained.
Rear red light – helps the user to be more visible from behind.
Flashing rear light mode – increases safety when moving in the dark, running, walking along the roadside or working outdoors.
Adjustable light focus – allows choosing either wide close-range light or a narrower long-distance beam.
Up to 80 m light range – allows illuminating not only the close work area but also objects further away.
Adjustable tilt angle – the light can be directed exactly where it is needed.

Use

For household users: Suitable for use at home, in the garage, basement, garden house or yard when additional lighting and free hands are needed for small repair or maintenance tasks.

For electricians: Convenient when working in electrical panels, distribution boxes, cable ducts or poorly lit technical rooms, as it allows precise illumination of the work area.

For engineers / maintenance specialists: Useful for equipment inspection, fault diagnosis, measurements or preventive maintenance in production, storage and technical areas.

For builders / installers: Suitable for installation, repair and construction work where it is necessary to move, hold tools and have stable lighting at the same time.

For active leisure: Perfect for running, hiking, camping, fishing or travelling. The rear red light helps the user to be more visible in the dark.

Advantages

Bright 400 lm OSRAM LED light source
Head-mounted – both hands remain free
Suitable for work, household use, sports and outdoor activities
Contactless control via infrared sensor
Several lighting modes: 100%, 40%, 10%, SOS, red light
Rear red / flashing light for better visibility

Disadvantages

IP44 protection is suitable against splashes, but the headlamp is not intended for immersion in water.
Maximum 400 lm output drains the battery faster.

FAQ

Is this headlamp suitable for outdoor work?
Yes, the headlamp has an IP44 protection class, so it is suitable for outdoor use where there is moisture or water splashing. However, it is not intended for underwater use or prolonged use in very heavy rain.

How long does the fully charged headlamp operate?
The operating time depends on the selected lighting mode. When using lower brightness modes, the headlamp can operate for up to 50 hours.

Can the direction of the light be adjusted?
Yes, the headlamp has an adjustable tilt angle, so the light can be directed to the required work area.

What is the infrared sensor used for?
The IR sensor allows the headlamp to be switched on, switched off or the modes to be changed contactlessly – simply by a hand movement. This is very convenient when working with gloves or when the hands are occupied.