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Product name: air quality detector Product model: DM-72 Display mode: LCD high-definition liquid crystal display Test items: formaldehyde and TVOC in the air (including benzene) Detection range: 0.000~1.999mg/m3 (formaldehyde) 0.000~9.999mg/m3(TVOC) Detection principle: principle of semiconductor gas sensor +Laser scattering Detection time: 5. 10 minutes Sampling method: diffusion collection Concentration unit: mg/m3 Atmospheric pressure: 86Kpa-106Kpa Relative humidity: 20%-85% Working humidity: 5°C~45°C Charging temperature: 0°C~45°C Storage temperature: -20°C~50°C Battery: Lithium battery Battery capacity: 2000mAh Input: 5V/1A. Dimensions: 78X96X139(mm)
150db High-Power Siren Alarm Horn When you need an unmistakable alert, the 150db High-Power Siren Alarm Horn gets attention — fast. Designed for situations where sound must cut through noise, this compact horn delivers a sharp, commanding tone that helps protect property, warn personnel, or signal an emergency. What it gives you Immediate audible presence: a piercing, high-decibel output that makes sure people notice and respond. Clear, consistent performance at 12V with a modest 300mA draw — powerful sound without excessive electrical load. Space-saving footprint: small housing that fits where larger sirens won’t, giving you flexibility in tight installations. How it helps Picture arriving at a site and knowing any alarm will be heard across the lot, or mounting the horn on your vehicle so bystanders can clearly hear warnings. The horn’s bright, penetrating tone reduces confusion in noisy environments and speeds up response times when seconds matter. Simple setup Fixed-installation design for secure mounting. Runs on standard 12V systems — easy to integrate with alarms, vehicle power, or control panels. Packing includes: Speaker ×1, so you’re ready to install. Built for real conditions The compact enclosure resists everyday wear and sits unobtrusively while projecting a bold sound. Install it where you need loud, reliable alerts without taking up much space. Get yours now — stock is limited. Add the 150db High-Power Siren Alarm Horn to your setup today to make sure critical alerts are heard when they matter most.
Product Name: two in one drilling pen Product type; identification test Chip specification: high precision chip Body material; engineering plastics Probe material; alloy Power supply specification: 9V battery
Overview: 1. Built-in 15 White Noise Songs: Solve your sleep troubles. 2. Connect the Smart Light Night control: The light can achieve infinite color adjustment and create a colorful atmosphere. 3. 90 RGBCW light beads are arranged around: Create dynamic mixed light effects, create a beautiful atmosphere space. 4. The phone is controlled via the Smart Night Light APP: The connection is simple and easy to operate, say goodbye to cumbersome connection methods. Product information: Specifications: black, white Size: 210*75 Style: modern simplicity Packing list: Size Q ambient light X 1PC Instruction manual X 1PC, USB power cable X 1PC Q-type remote control X 1PC Product Image:
Overview: High-definition network video call camera partly zoomed in, the picture is still clear Freely shiftable beauty makeup light Using an automatically fixed focus lens, eliminating the trouble of repeatedly adjusting the focus Face Al intelligent capture to ensure the accurate dynamic image quality of the video, no tearing of the image quality, to ensure examination invigilation, hotel check-in, conference color shooting is more convenient and quick Built-in microphone for clearer sound pickup Specifications: Product category: HD camera Use range: notebook Sensor type: CMOS Sensor pixels: 5 million The highest resolution: 3264*2448 Frame rate: 30FPS Interface: USB 2.0 Focus mode: automatically fixed focus Need to drive: free drive Line length: 150cm Additional features: Built-in microphone Maximum resolution: 3264*2448 Photosensitive element type: CMOS Package Content: machine + manual + packing box
Product information: Product Category: Alarm Clock Whether double-sided: single-sided Style: American Appearance: rectangular Applicable places: living room, bedroom, study room, office, public place Display type: number Special function: music function Waterproof: No Power type: external power supply Movement type; electronic Shell material: plastic Mirror material: Quartz glass mirror Dial material: plexiglass Packing specification: 190*91*53MM Color: blue, pink Size Information: Product specifications: 190*91*53MM Packing list Alarm clock*1
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