4PCS Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required

<p>Features:</p> <p>1. The smoke alarm adopts photoelectric technology to detect smoke.</p> <p>2. The carbon monoxide detector offers a hassle-free setup process. Simply secure the detector on a wall or ceiling and insert the batteries.&nbsp;</p> <p>3. When the fire alarm detects smoke or detect combustion particles in the air, it will sound their alarms and the red LED will flash rapidly to remind you to check.</p> <p>4.&nbsp;This straightforward method eliminates the need for complicated wiring, making it accessible for everyone.</p> <p>5.&nbsp;More sensitive to light smoke and slow smoldering fires and more quickly to remind you. Keep your home safe 24/7.</p> <p>Specifications:</p> <p>1.Material: ABS</p> <p>2.Power Supply: DC3V (AA battery *2 pieces) (include batteries)</p> <p>3.Sensor Type: Smoke Detector</p> <p>4.Alarm Volume: 70 decibels</p> <p>5.Dimension: 106*50mm</p> <p>6.Weight:About 155g</p> <p>7.Protection area: 40㎡</p> <p>8.Installation: Ceiling or Wall Mount</p> <p>9.Recommended Distance: Install at least 2 meters above gas sources</p> <p>Package Includes:</p> <p>4 x Smoke Alarm</p> <p>8 x AA battery</p> <p>8 x Screw</p> <p>4 x User Manual</p> <p>Important Notices:</p> <p>1. Batteries are included.</p> <p>2. This device detects only smoke concentration, not carbon monoxide (CO).</p> <p>3. This version cannot connect to mobile phone software.</p> <p>4. Do not install near gas sources or in damp places (bathroom/shower).</p>

• ❤Reliable Photoelectric Detection: This smoke alarm uses advanced photoelectric technology, which is highly sensitive to light smoke and slow smoldering fires, providing 24/7 home safety with fast, accurate alerts.
• ❤Compact & Practical Design: Made of durable ABS material, this compact smoke alarm (106*50mm, ~155g) covers a 40㎡ protection area, with a recommended installation distance of at least 2 meters from gas sources for optimal performance.
• ❤Hassle-Free Installation: No complicated wiring required—simply mount the detector on a ceiling or wall, insert the 2 included AA batteries, and complete setup in minutes, accessible for all users.
• ❤User-Friendly Safety Solution: The package comes complete with 4pcs smoke alarm, mounting screws, and a user manual, with clear usage notes to ensure proper placement (avoiding gas sources and damp areas like bathrooms) for reliable fire safety.
• ❤Dual Warning System: When smoke or combustion particles are detected, the alarm emits a loud 70-decibel alert and flashes a red LED rapidly to ensure you are immediately notified of potential danger.