Security：TX-3DS-VB
Wireless vibration sensor
| Power Source | two AAA alkaline batteries. |
| Current Drain | 3.5uA @standby, 20mA @operation. |
| Protection | Built-in tamper switch for transmitter |
| Estimated Battery Life | 3~4 years |
| Size | 20 x 29 x 123.5 mm for transmitter, 22 x 22 x 59 mm for detector |
| Weight | about 34g for transmitter (w/o battery), 21 g for detector |