Trooper is designed for police, ambulance and other emergency drivers who use vehicles with blue lights. The harness illuminates their own workspace while making the user visible for their environment. The blue light on the sides and shoulders are synchronized to their vehicle. Trooper is only sold to authorities.

  • Trooper
4light Trooper is designed for police, rescue and other emergency personnel who use blue lights on their vehicles. The harness illuminates their own workspace while making them clearly visible for their environment. The lighting of the workspace makes it easy for the user to focus on their tasks. The improved visibility creates a secure and worry free work environment.

4light Trooper is easy to put on and use. Trooper can be in use under a full working shift before needing to be recharged.

Blue light LEDs can be adapted and customized to the requests of the buyer. Trooper otherwise has the same lighting system Biker and Worker with white LED lights that illuminates forward and red LED lights that mark the user’s back.

Trooper is available with different light frequency according to customer requirements. The lighting switches on and off with touch buttons on the harness.


  • harness made of durable polypropylene plastic
  • LED lights and battery in water resistant seal
  • lighting forward for working with both hands free
  • lights controlled by touch buttons
  • blue lights, turn signals and stop lights are synchronize to the vehicle’s lighting
  • battery life 10 hours

Can be tailored to different needs. Contact us for more information and quotes.

Durable harness
The harness is made of durable plastic with propylene window of plastic that lets light through. It has adjustable waist and adjustable shoulder straps for easy adjusting to each user. The harness is equipped with snap buttons for easy opening and to avoid getting caught.

Rechargeable batteries
The battery is a Lithium Ion type and can be recharged up to 1000 times its normal use and operates from -15 to +75 degrees Celsius. A discharged battery takes about 180 minutes to charge. Battery charger included.

Warning signal at low battery capacity
Low battery capacity and need of charging is indicated by a flashing red LED light. The LED light blinking frequency speeds up as the battery capacity is declining. A fully discharged battery will turn off all LED lights.

Charging Signals
During charging the battery a red light is visible. A green light indicates when the battery is fully charged.

Protected electronics
Electronics and battery are protected in a padded pocket pack on the back of the harness. The pocket pack is water-repellent to protect functions but should not be opened.

LED lighting
LED lamps have a lifespan of about 50,000 hours at continuous use. Warning lights, front and back lighting is controlled by two touch control buttons at the left chest strap.