Specification
The HALO Home smart LED motion sensor flood incorporates Bluetooth® 
Mesh technology into a durable, twin head design for an advanced outdoor 
lighting solution built for high performance. Features configurable settings for 
both the motion sensor and floodlight, including sensitivity, duration and scene 
control, as well as grouping, scheduling, dimming and white color tuning. 
The MST20C does not require a hub and can be wirelessly controlled directly 
from any compatible smart device utilizing the HALO Home app, or any HALO 
Home wireless switch or dimmer.
Description
HALO Home
MST20C Series
Twin Head LED Motion
with Bluetooth Mesh
Connectivity
CCT Adjustable
Range from 
3000K-5000K
Ordering Information
CERTIFICATION DATA
cULus wet location listed
TECHNICAL DATA
120-277V, 50/60Hz
-30°C to 40°C 
temperature rating
External supply wiring 75° 
minimum
Wireless System
• 
For use with the HALO Home 
mobile app
• 
Bluetooth low energy (BLE) mesh 
allows on/off and dimming to be 
controlled wirelessly with companion 
wall switches, smart phones and 
tablets using Halo Home mobile app
• 
Dual Bluetooth module design 
allows for separate floodlight 
(device) and motion sensor 
(controller) function
• 
White tuning, grouping, scheduling, 
scenes and countdown timer 
controlled through HALO Home 
mobile app
• 
Motion sensitivity control from 
0-100%
• 
Photocontrol sensitivity from 
0-100%
Construction
• 
Durable die-cast aluminum housing 
with UV stable clear lens
• 
Powder coated bronze or white 
finish
• 
Optically enhanced reflector 
improves efficiency and delivered 
lumens
• 
Tool-less head and motion sensor 
adjustment
• 
Wall or eave mounted to recessed or 
surface junction boxes
Electrical
• 
For use with 120-277V, 50/60Hz 
power sources
• 
Maintenance-free LED’s with 
  70,000 hours of life
• 
Operating temperature of -30°C to 
40°C
• 
cULus listed for wet locations
• 
External supply wiring 75°C 
minimum
• 
Motion sensor detects motion 180° 
up to 50 feet
Optics
• 
Two-stage optics for maximum 
coverage
• 
Wirelessly controlled white tuning 
from 3000K to 5000K CCT (factory 
default 4000K)
• 
Wirelessly controlled dimming to 
5%
Warranty
Five year limited warranty
Specification Features
Sample Number: MST20C18W
Dimensions
10.3˝
[261 mm]
Front View Side View
6.7˝
[170 mm]
Eave Mount
Catalog #
Type
Project
Comments
Date
Prepared by
PS502095EN  
July 6, 2018
Application
MS = Motion 
    Sensor
Nominal Wattage
20 = 20W 
Heads
T =  Twin 
 Head
Finish
B = Bronze
W = White
Protocol
C = Connected Bluetooth
  Mesh Wireless Control, 4.0
Motion Sensor
18 = 180° Detection


