S J Security Systems Pvt. Ltd. Offers Audio Door Phones with Spill Proof Speaker Mesh. It is a one button or multiple, direct door phone system. It features anodized aluminum panel [Silver & Golden] and S. Steel outdoor panel. It can connect four handsets that could be wall mounted. This S J Security Systems Pvt. Ltd. Offered product has power supply with battery backup facility. Audio Door Phones with Spill Proof Speaker Mesh is available in various models.
