OLUNCLE OL0902U Smoke and Carbon Monoxide Detector Combo: Dual Sensors Protection
Ever wish your home could look out for you? The Smoke and Carbon Monoxide Detector Combo is like having a vigilant guardian—minus the cape. It packs 2-in-1 protection, thanks to its high-tech photoelectric and electrochemical sensors that don't miss a trick (or a toxic fume). Plus, with its large LCD display, you can see real-time smoke and CO levels at a glance—because guessing games are best left to trivia night. When danger lurks, this gadget doesn't whisper; it roars with audible alarms over 85dB and flashes LED lights like it's trying to win a disco contest. Installation? A breeze. Stick it on any wall or ceiling in your home, kitchen, or office, and you're golden. And with 360-degree air holes, it's got eyes—well, sensors—in the back of its head, ensuring no danger goes unnoticed. Oh, and it'll even nudge you with a low battery warning because it's thoughtful like that. Regular check-ups keep it in top shape, because even guardians need a little TLC.
Features
- Alarm and LED Indication
- Low Battery Warning
- Easy to Install
- Caution and Hints
- Dual Sensors Protection
General specs
- Brand: OLUNCLE
- Model: OL0902U
- Seller: Amazon
- ID: B0CJC7CJ3L
- Power Source: Battery Powered
- Item Weight: 1.15 pounds
- Alarm: Audible
- Sensor Type: Electrochemical
- manufacturer: OLUNCLE
- Part Number: OL0902U
- Package Dimensions: 5.55 x 4.8 x 4.69 inches
- Item Model Number: OL0902U
- Size: 3 Packs
- Batteries Included: Yes
- Batteries Required: Yes
- Battery Cell Type: Zinc Carbon
- First listed by seller: 6/14/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
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| Brand | OLUNCLE | ABORNI | Soewolit | KLTsenaife | WUZETIAN | Soewolit |
| Model | OL0902U | KT0918 | KT0917 | YHW-543COM-R | KT0918 | CX1KK918 |
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| Price | $47.19 | $102.99 | $109.69 | $52.99 | $72.53 | $139.52 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Power Source | Battery Powered | Battery | Battery | Battery | Battery | |
| Sensor Type | Electrochemical | Electrochemical | Electrochemical | Electrochemical | ||
| Batteries Included | Yes | Yes | Yes | Yes | Yes | |
| Weight | 313 | <num1>, <num2> | 181.44 | 104.33 | ||
| Material | Plastic | ABS | ABS | |||
| Dimensions | 107, 34, 107 | 107, 102, 102 | <num_width>, <num_height>, <num_z> | 107, 34, 107 | 38.86, 103.89, 38.86 | |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | |||
| Display Type | LCD | LCD | LCD | LCD | ||
| Alarm Sound Level | 85 | 85 | 85 | 85 | 85 | |
| Alarm Type | Audible, Smart, Visual | Audible, Visual | Audible, Visual | |||
| Battery Type | AA | AA | AA | |||
| Detection Type | Carbon Monoxide, Smoke | Smoke, Carbon Monoxide | Carbon Monoxide, Smoke | |||