Can this unit be mounted on a side wall? The existing unit in on the side wall so would not be pretty without a sensor covering it.

Yes. It can be mounted on a wall. Mount it up high though because smoke rises.

does this unit fit without any drilling/modifications

2 mounting screws and a small hole for the wire are needed. The mounting screw holes may align with holes from prior detectors

I am blocked from shipping this item to a california (although previously i had no problem). why is this unit blocked from shipping to california?

Not sure what store you are trying to buy from but we do ship these to California. Visit Fire and Safety Plus on amazon and you can place your order from there. Email us if you have any problems or questions.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector

System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector

Product ID: 446553578

Details

Alarm
Visual
Brand
System Sensor
Item Weight
227 g
Manufacturer
System Sensor
Number of Items
1
Operating Humidity
95 percent

💡Wide-angle dual-color LED indicator

🔌Plug-in detector line & mounting base

🔧Stop-Drop ’N Lock base attachment

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₩473053

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay ahead of danger with smart, sleek smoke detection! 🔥

PRECISION DETECTION - Photoelectric sensor with drift compensation and smoothing algorithms ensures reliable smoke detection.
USER FRIENDLY DESIGN - Removable detector cover and chamber simplify maintenance without downtime.
EFFORTLESS INSTALLATION - Plug-and-play design with included mounting base and large wire entry port for seamless setup.
UNIVERSAL COMPATIBILITY - Mounts easily to multiple back boxes or directly on walls/ceilings, fitting your space perfectly.
SMART INSTANT INSPECTION - Built-in remote maintenance signaling and EZ Walk loop testing keep your system ahead of risks.

The System Sensor 2W-B i3 Series is a cutting-edge 2-wire photoelectric smoke detector designed for easy installation, intelligent monitoring, and instant inspection. Featuring plug-in wiring, Stop-Drop ’N Lock base attachment, wide-angle dual-color LEDs, and advanced drift compensation, it ensures reliable fire safety with minimal maintenance. Compatible with various mounting options, it’s the professional choice for modern fire alarm systems.

Specifications

ASIN	B0015Q7RFE
Alarm	Visual
Best Sellers Rank	#268,105 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #799 in Digital Calipers
Brand	System Sensor
Item Dimensions D x W x H	5.1D x 13.5W x 13.5H Centimeters
Item Weight	0.5 Pounds
Manufacturer	System Sensor
Mfr Part Number	2W-B
Model Number	2W-B
Number of Items	1
Operating Humidity	95 percent
Power Source	Corded Electric
Product Dimensions	5.1D x 13.5W x 13.5H Centimeters
Product Style	Compact
Sensor Type	Photoelectric
Style	Compact
UPC	783863017599
Unit Count	1.0 Count

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The product quality is outstanding. Exactly what I needed for my work.

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