https://sirennet.com/federal-signal-m...
Installation Sheet

The Federal Signal MicroPulse Ultra Dual Color Surface Mount Light combines reliability and superior warning in a new low-profile design. With a depth of only 9.4mm, the MicroPulse Ultra Dual Color can be mounted on any flat surface of a vehicle or used with existing MicroPulse brackets. The MPS620U offers superior warning with 12 high power LEDs, 6 and 6 interwoven so that each color fills the entire light. Eighteen flash patterns create versatility that allows it to flash as a solid or dual color lighthead. MicroPulse Ultra Dual Color lightheads can be synchronized to flash simultaneously or alternately.

Available Colors:
MPS620U-WA 6 White/6 Amber LEDs
MPS620U-BW 6 Blue/6 White LEDs
MPS620U-RB 6 Red/6 Blue LEDs
MPS620U-RW 6 Red/6 White LEDs

Features:
Super low profile design offers wide range of mounting options
Superior warning with 12 high power LEDs, 6 and 6 interwoven
18 selectable flash patterns
Single/multi-unit synchronization
Suitable for external and/or internal mounting applications
Includes black bezel and gasket

Specifications:
Voltage: 12-24 VDC
Certifications: SAE J595 Class 1, SAE J845 Class 1, CA Title 13 Class B
Dimensions: 5.2" (132.6 mm) L x 1.26" (32 mm) W x 0.37" (9.4mm) D.

Federal Signal Three Year LED Warranty
MPS620U-WA, MPS620U-BW, MPS620U-RB, MPS620U-RW