Increase the security of your home with ease, with the MaxxOne Kite Wireless Outdoor Siren and be Alerted directly on your mobile device. The wireless outdoor siren is an accessory of the Kite smart alarm system. It features an extremely powerful 120dB outdoor siren. Mount on the outside of the house and show potential burglars that your home is alarmed. The outdoor siren has a built-in rechargeable backup battery. It will sound with the strobe light flashing to stop crime when working. It's easy to set up, reliable and safe, with a core microprocessor and anti-tamper function. 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 (approx every 3 years).