| SB-1802 Door sensor |
| Output：Bistable (Open/Close)，Burglar alarm |
| Application：Use on doors / windows connectible to wire magnet switch |
| Power：CR123A lithium battery（DC3V） |
| Battery life： 3 years |
| Dimension：L135 x W30 x H20 mm |
| Material：ABS fire proof plastic injection mold |
| Weight：100g（Including battery） |