Bistee B14-3T2 Wireless Door Alarm Contact Sensor: 58 chimes and 5 adjustable volume levels
Thinking bigger? The expansion system lets you turn your humble abode into Fort Knox by adding more sensors for every door and window. Setup? Easier than assembling flat-pack furniture—just plug in, stick on, and you're done. Plus, it remembers your preferences after a power outage, because who has time to reset things?
And because we're not monsters, it comes with lifetime customer service. Oh, and it's FCC, CE, and RoHS certified, which is basically the tech world's way of saying 'this thing won't let you down'.
General specs
- Brand: Bistee
- Model: B14-3T2
- Seller: Amazon
- Material: ABS
- Power Source: Battery Powered
- Installation Method: Insert & paste
- Included Components: doorbell chime, door sensor
- Special Features: 58 MELODIES & 5 VOLUME
If you are interested in more details, you can find full information on the seller's page.
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$36.98
Last price update: 7/20/25
Available to order
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United States
United States
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Bistee B14-3T2 58 chimes and 5 adjustable volume levels
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AMHEY DW520+P827 32 unique chimes & 5 volume levels
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| Brand | Bistee | SECRUI | SECRUI | AMHEY | SECRUI | Satisure |
| Model | B14-3T2 | M508+D7 | M508+D7 | DW520+P827 | D7 | MC |
| Color | ||||||
| Rating |
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| Price | $36.98 | $22.99 | $37.99 | $22.69 | $20.99 | $16.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 20, 2025 | June 27, 2025 | June 27, 2025 | July 18, 2025 | June 27, 2025 | June 26, 2025 |
| voltage | 120 Volts (AC) | 120 Volts (AC) | 3 Volts (DC) | 3 Volts | ||
| noise_level | 120 dB | 120 dB | 99 dB | 65 dB | ||
| mounting_type | Door Mount | Wall Mount, Door Mount | Wall Mount | Door Mount | Protruding | |
| maximum_range | 400 Feet | 500 Feet | 26 Feet | 500 Feet | ||
| sensor_technology | Contact Sensor | Contact Sensor | PIR Sensor | Contact Sensor | ||
| material | ABS | ABS | Plastic | |||
| installation_method | Screw-In & Self-Adhesive | Screw-In & Self-Adhesive | Pre-paste | |||
| included_components | 1 × Sensor(battery included), 1 × Plug-in receiver, 2× Adhesive tape, 2 × Screw, 2 × Anchor, 1 × User manual | 1* user manual, Motion Sensor Alarm Receiver, Motion Sensor Alarm detector, Batteries | Adhesive Tape, Door Sensor (battery included), Door Chime Receiver, Product Manual | |||
| batteries_included | Yes | Yes | Yes | No | ||
| batteries_required | Yes | Yes | Yes | No | ||
| item_weight | 5.9 ounces | 5.1 ounces | 5 ounces | |||
Wireless Door Alarm Contact Sensor
$36.98
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