BlitzWolf® BW-IS21 Wireless Smart PIR Motion Sensor Greeting Doorbell Door Chime Alarm System Host Support 99 Tuya 433HZ Accessories Compitable with

Description

Specifications?BrandBlitzWolf®ModelBW-IS21MaterialABSColorWhiteDimensions105*75mmWeight150gInput VoltageDC 5V ?1AWi-FiIEEE802.11b/g/nRadio Frequency433MhzInfrared Detection Range5mBattery Capacity3.7V 300mAh Li-BatteryPower Supply InterfaceMicro USBWorking Current<300mAAlarm Current<400mA Music6 Greeting Languages+ 24 Unique MelodiesVolume3-level Volume Adjustable Wireless Transmission Distance?70m APP ControlBlitzWolf, Tuya Smart and Smart Life Note:6 Greeting Languages are English, Chinese, Korean, Thailand, Cantonese, Japanese.