feature:1, Voicemail: The owner did not respond within 30 seconds, the doorbell will prompt message, the guest message is pushed to the APP group2, easy to install, outdoor equipment can be pasted and fixed.3, adapt to the temperature: -10 °C -50 °C4, the signal is stable, open distance 85M5, ultra-low power consumption, with 3 batteries on the 7th, at least 180 days6, mobile phone APP adjust the volume and select 30 kinds of ringtones, adjustable to banned1 * Indoor plug-in receiver1 * Smart Transmitter1 * 3M glue1 * English user manual3 section 7 batteries
Trustpilot
2 weeks ago
3 days ago
