Wireless Voice Intercom Door Bell System with 1000 Meter Transmission Range 2000mAh Rechargeable Lithium Battery IP54 Rating and Adjustable Sound for Commercial or Residential Use

Item Type: Wireless Intercom Door BellProduct Model: H8Material: ABSSingle Power Supply Battery: 1 x lithium ion battery 2000mAh (built in)Application: Widely used in household, office, laboratory environment, medical treatment, etc.Basic Parameters: Working Temperature: -20℃-55℃Transmission Distance: 1000 meters in open space; 20-50 meters partition wallWorking Frequency: 410M-490MSound Adjustment: 3 Gears AdjustmentOutdoor Grade: IP542 Intercom Modes: 1. The default mode, press one of the internal phone internal call key, the other internal phone ring, hold down the TALK key, intercom talk.2. The second mode, do not need to press the internal call key, directly hold down the TALK key to talk.2 Modes Switching: Hold down the internal call button for 5 seconds and hear 3 drops.Package List：1 x Indoor Intercom Doorbell1 x Charging Base1 x Outdoor Intercom Doorbell (with Bracket)2 x Charging Cable (Color Random)1 x Screwdriver1 x Sticker1 x User Manual

• Long Range Transmission: This wireless voice intercom door bell supports a transmission distance of up to 1000 meters in open spaces and 20 to 50 meters through partition walls covering 1st to 8th floors.
• Rechargeable Lithium Battery: Equipped with a 2000mAh lithium battery, the outdoor bell unit provides approximately 8 months of operation or 1 week depending on the selected usage frequency and settings.
• IP54 Rating: The system features an IP54 rating and buttons finished with High Gloss technology on the surface to ensure a professional texture and consistent performance in various environments.
• Adjustable Operational Modes: Supports 3 gears of sound adjustment and frequency switching between A and B gears while featuring a 0 gear for shutdown and selections for ringtone call or intercom modes.
• Dual Charging Methods: The outdoor intercom supports DC charging without the need to remove the cover and charging base options with dedicated light displays for intercom status and battery levels.