Wireless doorbell 38 ringtones 100m (3xAAA + microUSB 5V) EMOS

Description:

button range 100 m. main unit power supply 3 × 1.5 V AAA (not included) + micro USB 5 V. waterproof button. possibility to add another button, max.16. number of melodies 38. optical alarm button. White colour. optical alarm on call. automatic pairing - self - study. additional button P5732T. 1 × 3 V CR2032 button power supply (included). number of receivers in a package 1 pc. maximum ring volume 90 dB. volume control, 4 levels. number of buttons in a package 1 pc. transmission frequency 433 MHz.