Alpha Audio Intercom | Full Duplex Communication, Electric Lock Control & 32 Customizable Ringtones

• Two-Wire Non-Polarity Connection: Simplifies installation with an easy and reliable setup.
• Full Duplex Intercom: Enables smooth, simultaneous two-way communication.
• Durable Outdoor Unit: Waterproof, anti-vandal, and anti-oxidation metal alloy panel ensures long-lasting performance.
• Clear Voice Transmission: Designed with high-quality circuitry for exceptional audio clarity.
• Electric Lock Integration: Supports remote door lock release for added convenience.
• Customizable Melodies: Offers 32 ringtones with adjustable volume levels and a Do Not Disturb mode.
• Wiring Protection: Built-in short-circuit protection to prevent issues caused by wiring errors.
• Ring-Back Tone: Outdoor unit provides audible confirmation when the call button is pressed.

Ideal for residential and commercial use, this system combines reliability, durability, and user-friendly operation for optimal communication and security.