🚨 Stay ahead of every arrival and intrusion with smart, stylish security.
The Blackt Electrotech BT51A is a compact wireless motion sensor alarm featuring an 8-meter infrared detection range and a powerful 110-decibel adjustable alarm. Designed for versatile use as both a security alert and welcome doorbell, it offers easy installation and flexible volume control, making it perfect for professional and residential environments seeking reliable, customizable safety solutions.
| Control Method | Touch |
| Mounting Type | Tabletop Mount |
| Maximum Range | 8 metres |
| Sensor Technology | Infrared Sensor |
| Manufacturer | Blackt Electrotech |
| Country of Origin | China |
| Item model number | BT51A |
| Product Dimensions | 8 x 4.5 x 4.5 cm; 150 g |
| ASIN | B0DBL4D681 |
A**R
Good
Sensing distance is very low, to improve remove the front plastic shield were you see red light. Then the sensing distance improves lot
A**D
Not working prodect
It didn't have a remote, it's a non-working item It looks like it was used I'm in pain to hear that you got a product like this through Amazon.
P**K
Excellent product
Serve the purpose of an alarm 100%Very useful product to track movement of elderly ,small kids & at entry point of house or shop.
M**
Range issue
Range is just one feet only
A**R
Works well
Works well, simple to use.Remote control
N**I
Limited range 6-8 feet only.Not so good
It does not work beyond 8 feet,no return facility given,works OK within 6-8 feet.Wrong claim given in specification of product. Not good enough.
J**R
Excellent
Excellent
R**V
Very good
Very good product.
Trustpilot
1 month ago
3 weeks ago
