Wireless Voice 2-way Intercom Doorbell Built-in Speaker, Home Security Access Control System, Up To 6 Months Standby

Descrizione di Wireless Voice 2-way Intercom Doorbell Built-in Speaker, Home Security Access Control System, Up To 6 Months Standby

Wireless Intercom Doorbell- 1 outdoor doorbell can be paired with 1 indoor doorbell, the perfect combination allows you to communicate with visitors outside your door. Two-way Intercom- When someone presses the call button on the outdoor unit, the indoor bell will ring immediately to remind you. You can press the response button to talk to someone outside. Clear Voice- Built-in high-sensitivity microphone and speaker, 2.4GHz signal ensures clear and smooth sound effects in communication. Effective transmission distance up to 300 meters Easy to Use- Super mini size ensures perfect portability and easy installation, small and beautiful, easy to install. Suitable for home, factory, hotel, hospital, supermarket and office. caution Product transmission distance: 200 meters in open space; 5-50 meters when there are obstacles feature 1. The frequency of use of this product complies with national regulations and will not cause harmful electromagnetic interference. It is universally applicable. This device complies with FCC, CE, CCC related rules and regulations. 2. The outdoor unit is easy to install and remove the batteries, using 4 AA batteries, and the indoor unit uses rechargeable lithium batteries. The outdoor bell is powered by 4 alkaline batteries for easy battery replacement, and the indoor bell is powered by a rechargeable lithium-ion battery. 3. The outdoor unit has a long working time, and 4 batteries can be used for more than half a year. Low power consumption, outdoor bell standby time of up to six months 4. The loudspeaker sound is loud, the volume can be adjusted, the ringtone can be changed, and the intercom sound quality is clear, which can be used for mobile intercom. The loudspeaker can be adjusted, the sound is clear, and it can be used as a mobile phone walkie-talkie. 5. Long working distance, the maximum open distance is 200 meters. Ultra-long wireless distance of up to 200M 6. Easy to install, directly stick to the wall with 3M glue. Easy wall mount with 3M tape 7. Learning code to code, one outdoor unit supports N indoor units without interfering with each other and without changing codes. The outdoor bell can be paired with the indoor bell by learning its password. One outdoor bell can be paired with N indoor bells without interfering with each other. 8. Exquisite and compact, beautiful and high-end. Size: 100*60*14.8mm