HDL-MSM.431 Security Command Module Security Command Module, enabling the creation of zoned security areas. The module is also able to provide a user with a real time SMS notification if a security device is triggered. Parameters Model HDL-MSM.431 SKU 423331 Bus Power 15 mA Width 72 mm Height 90 mm Depth 66 mm Weight 121 g Material CustomOne CustomTwo CustomThree CustomFour CustomFive Discount category A 11 pcs in stock in stock in stock You can buy these goods through registered HDL partner. Question to product