... 1.promotional new wristband electronics anti-lost alarm 2.useful for luggage,baby,pet 3.good quality and easy use 4 ... Wristband Anti-Lost Alarmanti-losting alarm/personal alarm/mini alarmAlarm for child:This is a newly anti lost alarm, with ... )frequency:433.92MHz, alarm output:80DB, power supply:AAA battery for receiver(not included), CR2032 for transmitter(included) Wristband Anti-Lost Alarm