Intercoms Wireless for Home Voice Bidirectional Caller Two-way Calling Portable Automatic Call Answering Interphone -New

Features:1. Full duplex intercom, talk like making a phone call2. Automatic answering, the recipient does not need any operation and can directly talk to each other (only 2 networks)3. One click broadcast to speak, multiple channels can hear at the same time (3 or more networks)4. Two working modes: direct intercom and ring intercom5. Two way ringtone call and two-way intercom operation6. The actual distance of the open call is 500 meters, Floors 1 to 87. The appearance is slim with a thickness of only 18mm, providing a tactile sensation when held in the hand8. A 1000mAh polymer lithium battery can work normally 5 times a day for 30 seconds each time, for about 30 days,9. The buttons are made of plastic structure and have a surface spray process, providing a good tactile sensation10. Intelligent and user-friendly design, with intercom lights and battery indicator display.11. Unique magnetic adhesive wall design for easy access and placement12. Charge directly with USB-C cable at DC5VProduct Parameters:Battery capacity: 1000mAh lithium batteryCharging voltage: DC5VWorking temperature: -20 ° C to 55 ° CCharging time: up to 4 hours to fully chargeTransmission distance: about 500 meters in open space, 20-50 meters in partition walls, floors 1-8Operating frequency: 430MHz -490MHzWorking hours: Fully charged and used for about 30 daysMusic ringtones: 3 songsRingtone volume: 5-level adjustment of size (with voice prompts)Product size: 116 * 56 * 17mm