Mini Portable Two-Way Voice Intercom 2.4GHz, Wireless Doorbell, Intercom System

General Description: The portable two-way voice intercom system operates on a 2.4 GHz frequency, ensuring stable and smooth transmission. With an effective transmission range of up to 200 meters, it enables clear and efficient communication. When someone presses the call button on the outdoor unit, the indoor bell rings immediately, allowing you to answer and talk to people outside thanks to its built-in high-sensitivity microphone and speaker. Technical Specifications: Wireless Frequency: 467.6375 MHz; Transmission Distance: Up to 200 m; Indoor Unit Voltage Range: 5V USB Direct Power Supply; Outdoor Bell Power Supply: 4 AAA Batteries (not included); Input Interface: Micro USB; Working Time: 4 months; Operating Temperature: -20 ~ 55 ℃; Indoor Unit Size: Approx. 100 * 60 * 16 mm / 3.9 * 2.4 * 0.6 inches; Package Size: Approx. 170 * 120 * 25 mm / 6.7 * 4.7 * 1.0 inch Package weight: 150 g Compatibility and accessories Included in the package: 1 * indoor bell 1 * outdoor bell 2 * adhesives 1 * screwdriver 1 * user manual Installation The intercom's simple and compact design allows for easy installation, making this device ideal for use in homes, factories, hotels, markets, and more. Use This intercom system is designed for two-way communication, allowing users to speak with visitors outside by simply pressing the answer button after the indoor bell rings.