
Audio Doorphone Handset Plastic or Metal Outdoor Unit. Two-Way Intercom: Enables clear two-way communication between indoor and outdoor units for 60 seconds. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs. Multiple Ringtones: Features 12 built-in ringtones selectable via the indoor unit. Volume Adjustment: Allows adjustment of incoming volume among three levels: high, medium, and low. Dual Unlocking Options: Supports opening the door (5s) and gate (1s) with 500mA or below current. RoHS and CE Certified: Complies with RoHS and CE safety and environmental standards. Wall-Mounted Design: Designed for convenient wall-mounted installation. OEM and ODM Services: Manufacturer provides both OEM and ODM services for tailored solutions.