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Description
KEMO B214Ultrasonic Distance Alerter Alarm System Kit Function Group : Alarms Detectors Security Overview An LED lights up if a body approaches the ultrasonic sensors at a distance of 10 80 cm (depending on the size of the body). Use: parking in assistance for cars in garages, alarm signal for persons or animals staying in a certain area. Operating voltage: 9 12 V DC. The device works according to the same principle as the ultrasonic echo ranging of bats. This
Ultrasonic Distance Alerter / Alarm System Kit
• Function Group : Alarms / Detectors / Security
• Function Group : Alarms / Detectors / Security
Overview
An LED lights up if a body approaches the ultrasonic sensors at a distance of 10 - 80 cm (depending on the size of the body). Use: parking-in assistance for cars in garages, alarm signal for persons or animals staying in a certain area. Operating voltage: 9 - 12 V/DC. The device works according to the same principle as the ultrasonic echo ranging of bats. This kit may be extended to relay operation with our relay board "B197" (not enclosed).
Features
Specification
- Operating voltage 9 ~ 12 VDC
- Operating frequency approx. 40 kHz
- Range approx. 10 ~ 80 cm, depending on the size of the body (approx. 0,01 ~ 0,5 m²)
- Display LED
- Current consumption < 10 mA
- Board dimensions approx. 55 x 45 mm
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 4
Durable Chew Toy That Actually Holds Up to Strong Jaws
Size: Large, Color: Bundle
This is a reliable option for a heavy chewer, especially for a large breed with a strong bite. The material feels tough and well-made, and it stands up well to consistent chewing without immediately breaking down like softer toys tend to do. It also gives a bit of dental benefit by helping reduce plaque and tartar buildup during play, which is a nice bonus since brushing isn’t always realistic. The textured surface keeps it interesting enough to hold attention for a while, and it doesn’t splinter or create a mess. Overall, it’s a solid, durable chew toy that works well for strong chewers who tend to destroy most standard toys quickly.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Ergonomic good, material so, so
Size: Large, Color: Wishbone
Nice ergonomic, but the plastic come off and dog chew it. I had rather have a stronger material adequate for bigger dogs.
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Reviewed in the United States on April 30, 2026
★★★★★ 3
Love it, nice for tough chewers, split in half during play
Size: X-Large, Color: Textured Ring, Size: X-Large, Color: Textured Ring
LOVE THIS PRODUCT, would’ve gotten 5 stars but i threw it for my dog and it split in half on contact with the floor. It had lasted us well over 5 months, it’s not his favorite toy but he’ll pick it sometimes, i wouldn’t say it’s unsafe in half just don’t give the smaller parts!
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Dogs love them
Size: X-Large, Color: Textured Ring
Great for aggressive chewers . hold up well
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great for power chewers
Size: Large, Color: Bundle
Nothing beats Nylabone!!! Our lab has destroyed everything else… even the extra durable black kongs. Finally a chew toy that is super durable and great size.
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Reviewed in the United States on June 12, 2026