(12V DC) Car Central Locking Siren, This Siren is car security siren Weight 370 Gm (approximately with packing) Mounting BracketMaterial is M.S. (Adjustable mounting bracket). FunctionSpecially Designed for (car security system Lock - Unlock sound) Dimension83mm x 95mm x 86mm ProofingOnly Water spray proof WarrantyOne year against any manufacturing defects