Dellershownow

The Dellershownow 4-pack battery-operated photoelectric smoke detectors are ideal for homeowners, renters, and property managers seeking affordable, wireless fire safety solutions for bedrooms, hallways, lofts, basements, and other enclosed spaces. These compact units use advanced photoelectric technology to detect smoldering fires early, outperforming traditional alarms in sensitivity to smoke particles.

Standout features include an 85dB high-decibel siren audible up to three meters away, paired with a flashing red LED for visual alerts, and a multifunctional test/mute button to verify operation and silence false alarms. Customer reviews highlight easy self-adhesive or screw mounting, with batteries included for immediate setup. Real-world performance shows quick response, reliable testing, and consistent operation without wiring needs.

Build quality features flame-retardant ABS plastic in a small, portable white design that blends seamlessly into any decor. The interference-blocking exterior ensures accuracy, and the long-life battery supports extended use. Users appreciate the lightweight, durable construction that installs in minutes anywhere.

Potential drawbacks include the need for regular battery monitoring via the low-battery chirp and lack of unit interconnection, meaning each alarm operates independently. Not suited for high-humidity areas like kitchens or bathrooms.

Overall verdict: These detectors deliver excellent value for multi-room protection, earning high marks for ease, sensitivity, and peace of mind in fire safety.

Power Source: Battery Powered

Alarm Type: Audible (85dB) with LED Indicator

Detector Technology: Photoelectric

Color: White

Dimensions: Compact (0.1" D x 0.1" W x 0.1" H)

Weight: 0.1 Pounds per unit

Material: Flame-Retardant ABS

Pack Size: 4 Units

Model: PG-S11

This 2-pack of Deller plug-in carbon monoxide detectors is designed for anyone prioritizing home safety, from new homeowners and landlords to frequent travelers. Plug them directly into any standard outlet for instant protection against the silent threat of CO gas, which is colorless, odorless, and potentially deadly from sources like faulty heaters or stoves. With a focus on simplicity, they are perfect for bedrooms, apartments, and rentals.

Standout features include a high-precision electrochemical sensor that triggers an 85dB alarm and visual alerts at 150ppm CO levels, plus an intuitive LCD display showing current and peak concentrations. Real-world performance shines in user feedback: they self-test upon plugging in, respond reliably during checks, and provide peace of mind without false alarms. Travelers appreciate the portable size for hotel stays, while landlords value quick compliance with safety inspections.

Build quality is solid with a compact 3.9 x 2.7 x 1.96-inch ABS plastic body that looks sleek and unobtrusive. The green LED confirms normal operation, yellow signals maintenance needs, and red demands evacuation. A test/mute button allows easy verification, though the always-on light might disturb light sleepers in bedrooms.

Minor drawbacks include basic instructions and the LED brightness at night, but these do not detract from core effectiveness. Overall, this is a smart, affordable choice for comprehensive CO monitoring, earning high marks for ease and reliability. Verdict: Highly recommended for proactive safety.

Power Source: AC 110V-250V (plug-in)

Sensor Type: Electrochemical

Alarm: 85dB audible and visual

CO Detection: 150ppm threshold

Display: LCD with LED indicators (Green: normal, Yellow: fault, Red: danger)

Dimensions: 3.9 x 2.7 x 1.96 inches

Weight: 5.6 ounces (2-pack)

Operating Conditions: 5-40°C, 20-90% humidity

Material: ABS plastic

The Deller WJ-CO999 carbon monoxide detectors come in a convenient 3-pack, battery-powered units designed specifically to detect the invisible, odorless threat of CO gas from sources like heaters, stoves, or vehicles. Ideal for homeowners, pet owners, and anyone in kitchens, offices, or hotels, they provide essential protection where wiring is impractical.

Standout features include electrochemical sensors that trigger alarms at precise levels: 50ppm within 60-90 minutes, 100ppm in 10-40 minutes, and 300ppm in 3 minutes. The digital LED display shows current CO concentrations, while a loud 85dB siren and red flashing light ensure you're alerted. Users praise the easy setup, weekly test function with green LED status, and reliable operation during power outages or propane heater use.

Build quality is solid with durable ABS plastic, weighing just 7 ounces each for simple mounting via screws and plugs. The package includes batteries and instructions, making installation straightforward on walls or ceilings. Real-world feedback highlights good value and consistent performance, though some note error codes fixed by new batteries.

Drawbacks include rare initial failures or error displays like 'Err' or '_ _ 8', requiring support or battery swaps, and it's strictly for CO, not smoke. Overall, this is a strong choice for multi-room coverage at an accessible price, earning a solid verdict for proactive safety.

Key Specs:

• Power Source: Battery Powered (AA batteries included)
• Sensor Type: Electrochemical
• Alarm: Audible (85dB) & Visual (LED)
• Display: Digital LED for CO levels
• Operating Humidity: 5% to 95% RH
• Weight: 7.04 ounces per unit
• Material: ABS
• Pack: 3 Detectors, 9 Batteries, Mounting Hardware
• Model: WJ-CO999 | Brand: Deller

Installation: Remove back cover, drill 5mm holes 60mm apart, insert plugs, secure bracket with screws (arrow down), snap on detector, and test. Press test button: LCD shows '000', red LED blinks with chirps, then green LED every 30 seconds signals normal.

Weekly Testing: Use smoldering newspaper or cigarette smoke 2 inches below; numbers rise, 85dB alarm sounds in 1-2 minutes. 'Err' means malfunction, contact support. Green flash every 30s = normal; red with alarm = CO detected.