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
| Date | Price |
|---|---|
| 11/9/25 | $39.90 |
| 6/14/25 | $46.97 |
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
OLUNCLE OL0902U Dual Sensors Protection
|
Hembisen WA996 Accurate & Easy to Read
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Soewolit KT0917
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KOABBIT KH158 Black 4-in-1 Upgraded Gas & Carbon Monoxide Detector
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ABORNI KT0918
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KLTsenaife YHW-543COM-R Black
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| Brand | OLUNCLE | Hembisen | Soewolit | KOABBIT | ABORNI | KLTsenaife |
| Model | OL0902U | WA996 | KT0917 | KH158 | KT0918 | YHW-543COM-R |
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| Price | $39.90 | $59.99 | $109.69 | $55.99 | $102.99 | $52.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | January 21, 2026 | December 6, 2025 | January 21, 2026 | January 21, 2026 |
| Weight | <num1>, <num2> | 313 | 181.44 | |||
| Dimensions | 107, 102, 102 | 107, 34, 107 | <num_width>, <num_height>, <num_z> | |||
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | |||
| Alarm Sound Level | 85 | 85 | 85 | |||
| Batteries Included | Yes | No | Yes | Yes | ||
| Power Source | Plug in | Battery | Battery | |||
| Material | ABS | Plastic | ABS | |||