... Induction method: electric field induced body Application: doors, windows Installation: hanging on the door, window Product Dimensions: 101 × 55 × 26mm ... Package Size: 146 × 76 × 28mm 2. Usage:Function: Hanging in the home, companies, hotels or factories door lock, when ... :T/T in advanceLarge amount:L/CAnd will depend on your requirment2vibration alarm,motion detector alarm,security alarm,home ...