Karlak 2 Way Voice Intercom, Super Wireless Intercomunicador Rainproof Intercom Doorbell System Unit with Built in Battery for Household, Office, Laboratory Environment, and

[Super ​] Transmission distance of 1000m open area, 20-50m through walls for versatile usage. [Two Unit Pack] Switch between ringtone call and intercom mode for easy communication at home. [Humanized Design] Features intercom light and power light for clear visibility and operation. [Large Capacity Battery] Intelligent power-saving chip for extended battery life. [Versatile Usage] Ideal for household, office, ​ environments, and more. Spec: Item Type: 2 Way Voice Intercom Material: ABS Model: H8 Battery: Rechargeable Li Battery 3.7V 1800mAh (Built in) Use: Widely used in household, office, laboratory environment, ​ treatment, etc. Basic Parameter: Working Temperature: -20℃ to 55℃ Transmission Distance: 1000m in open area, 20 to 50m through wall Operating Frequency: 410M to 490M Package List: 2 x 2 Way Voice Intercom 2 x Base 2 x USB Cable 1 x User Manual How To Use: Install and turn on to use.

• [Super ] Transmission distance of 1000m open area, 20-50m through walls for versatile usage.
• [Two Unit Pack] Switch between ringtone call and intercom mode for easy communication at home.
• [Humanized Design] Features intercom light and power light for clear visibility and operation.
• [Large Capacity Battery] Intelligent power-saving chip for extended battery life.
• [Versatile Usage] Ideal for household, office, environments, and more.