Intercom Doorbell, Long Range, with 2 Outdoor Units 1 Indoor Unit, Adjustable Settings, Versatile Application, User Friendly Design, (White)

Specification: Item Type: Voice Intercom Doorbell Material: ABS Rating: IP54 Battery: Indoor Unit: Rechargeable lithium battery 3.7V 1800mAh (built in) Outdoor Unit: Rechargeable lithium battery 3.7V 1800mAh (built in) Use: Widely used in household, office, laboratory environment, etc. Basic Parameters: Working Temperature: -20℃ to 55℃ Transfer Distance: Open Field: 1000m Through Wall: 20-50m Operating Frequency: 410MHz to 490MHz How to Use: Refer to the user manual for usage. packing list: 1 x Indoor Unit 2 x Outdoor Unit 1 x Base 1 x Instruction Manual 1 x Data Cable 2 x Power Cord 1 x Sticker 1 x Screwdriver

• [User-friendly Design] Indicator lights for intercom and power offer clear visual cues, ensuring easy .
• [Versatile Application] Ideal for hospitals, hotels, factories, and more, this system delivers clear sound quality in various settings for optimal communication.
• [Seamless Function Switching] This doorbell system kit includes 2 outdoor units and 1 indoor unit, enabling easy switching between ringtone call and intercom modes for seamless communication.
• [Extended Range] Enjoy a transfer range of up to 1000 meters in open areas and 20 to 50 meters through walls, providing practicality and convenience for users.
• [Adjustable Settings] Customize your experience with 2 channels (a and b) and 3 volume levels, giving you control to tailor settings to your preferences.