| Dimension | L 14 x W 7 x T 2.5 cm |
| Weight | About 165g |
| Power |
1. Rechargeable battery AAA/UM-4 x 4 2. 5V DC 1A USB charger |
| Warning mode |
1. Beep alarm sound 2. LED indication |
| Sensitivity | 3 levels: Standard → High → Low |
| Detecting Distance | About 50 mm at High sensitivity |