The wireless indoor siren is an accessory of the Kite smart alarm system. Scare and stress the burglar with this powerful 85dB indoor siren. When connected to the system and an alarm occurs, it will sound to deter crime effectively. It's easy to set up, reliable and safe, also could be used as a chime in the home. It's fashionably designed, energy saving, low battery warning supported and with a long transmission distance. The system informs users to replace the battery by App when needed and it's easy to set up.