Do not install and/or operate this safety product unless you have read and understand the
safety information contained in this manual.
1. Proper installation combined with operator training in the use, care, and maintenance of emergency warning devices are
essential to ensure the safety of you and those you are seeking to protect.
2. Exercise caution when working with live electrical connections.
3. This product must be properly grounded. Inadequate grounding and/or shorting of electrical connections can cause high
current arcing, which can cause personal injury and/or severe vehicle damage, including fire.
4. Proper placement and installation are vital to the performance of this warning device. Install this product so that output
performance of the system is maximized and the controls are placed within convenient reach of the operator so that s/he
can operate the system without losing eye contact with the roadway.
5. It is the responsibility of the vehicle operator to ensure during use that all features of this product work correctly. In use, the
vehicle operator should ensure the projection of the warning signal is not blocked by vehicle components (i.e., open trunks
or compartment doors), people, vehicles, or other obstructions.
6. The use of this or any other warning device does not ensure all drivers can or will observe or react to a warning signal.
Never take the right-of-way for granted. It is your responsibility to be sure you can proceed safely before entering an
intersection, driving against traffic, responding at a high rate of speed, or walking on or around traffic lanes.
7. This equipment is intended for use by authorized personnel only. The user is responsible for understanding and obeying
all laws regarding warning signal devices. Therefore, the user should check all applicable city, state, and federal laws and
regulations. The manufacturer assumes no liability for any loss resulting from the use of this warning device.
WARNING!
Failure to install or use this product according to manufacturers recommendations may result in property
damage, serious bodily/personal injury, and/or death to you and those you are seeking to protect!
Contents: 3811:
1 x 3800 Surface Mount LED Head
1 x Installation and Operating Instructions
2 x Front mounting screws (#8 x 1 1/4)
1 x Mounting gasket
Contents: 3861:
1 x 3800 Surface Mount LED Head
1 x Installation and Operating Instructions
2 x Grommet adapter mounting screws (#4 X5/16)
1 x Adapter, Grommet Mount
920-3800-00 Rev. D
Page 1 of 3
Specifications:
Size: 3811:
5.8” length, 1.9” width, 1.2” height
Size: 3861:
6.5” length, 2.1” width, 1.2” height
Weight 3811: 0.3 lbs.
Weight 3861: 0.4 lbs.
Input Voltage: 12-24 VDC
Current Draw 3811/3861:
0.26 Amps at 12.8 VDC
0.15
Amps
at
25.6
VDC
!
3800 series LED heads are compact directional LED
warning lights suitable for mounting anywhere on a vehicle.
Colorless until illuminated, these discrete LED heads
feature encapsulated electronics offering a high degree of
environmental and vibration protection.
Additional benefits of these LED lights include low current
draw, a long and maintenance free service life. These LED
heads operate at 12-24 volts, and have multiple
user-selectable flash patterns.
3800 Series Surface Mount LED Heads
Installation and Operation Instructions
