will it work without fitting the sensors

Sorry I didn't get mine fitted because of a problem not connected with the photocells.

is the photocell sensitivity adjustable?

No adjustment at all. You either break the beam, or you don't.

Will they work on my liftmaster gates. The sensors I have are broken, but look the same

The 771REV-01 also works on the LiftMaster gates. If your old sensors also use the two wiring systems.

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Chamberlain 771REV Photocells Infrared Safety Sensors, 4.5 cm*19.5 cm*8.5 cm,Black

Chamberlain 771REV Photocells Infrared Safety Sensors, 4.5 cm19.5 cm8.5 cm,Black

Product ID: 48973640

Details

Brand
Chamberlain
Colour
Black
Maximum range
10 Metres
Mounting type
Wall Mount
Power source
Corded

📏Compact 4.5x19.5x8.5 cm size

📶10m max detection range

🔒IP44 splash & dust protection

Description

🚪 Elevate your entryway safety with smart, splash-proof precision!

PLUG PLAY INSTALLATION - Direct replacement for existing sensors with no rewiring hassle—upgrade in minutes.
SMART REMOTE CONTROL READY - Compatible with myQ for real-time alerts and remote door management from anywhere.
SEAMLESS SAFETY INTEGRATION - Effortlessly enhances your Chamberlain garage and gate systems with precise obstacle detection.
WEATHER RESISTANT DURABILITY - IP44-rated splash-proof design ensures reliable performance rain or shine.
ENHANCED SECURITY FOR PEACE OF MIND - Stops door movement instantly when obstacles are detected, protecting your family and property.

The Chamberlain 771REV Photocells are compact, IP44-rated infrared safety sensors designed to detect obstacles up to 10 meters away. Compatible with Chamberlain automation systems, they provide reliable, weather-resistant protection for garage, sliding, and swinging doors. Easy to install as direct replacements, these sensors integrate seamlessly with myQ technology for remote monitoring and control, ensuring enhanced security and convenience for modern smart homes.

Specifications

ASIN	B00EYYAL1G
Antenna Location	Garage
Battery Description	Batterie nicht im Lieferumfang enthalten
Best Sellers Rank	401,421 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,560 in Gate Hardware
Brand	Chamberlain
Colour	Black
Compatible Devices	Chamberlain automation systems, garage doors, swinging doors, sliding doors
Customer Reviews	4.4 4.4 out of 5 stars (249)
Global Trade Identification Number	04014243213444
Item Dimensions D x W x H	8.5D x 19.5W x 8.5H centimetres
Manufacturer	Chamberlain
Maximum Range	10 Metres
Model Number	771REV
Mounting Type	Wall Mount
Number of Items	1
Part Number	771REV
Power source	Corded Electric
Unit Count	1.0 count

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Chamberlain 771REV Photocells Infrared Safety Sensors, 4.5 cm*19.5 cm*8.5 cm,Black

Details

Details

Description

Specifications

Common Questions

Chamberlain 771REV Photocells Infrared Safety Sensors, 4.5 cm19.5 cm8.5 cm,Black