Outdoor Portable Rechargeable Wireless Remote Control Alarm Siren 2km(1.24mi) Adjust 120dB Loud Horn with 5000mAh Battery AC100-240V SLA-1509Y

【Product Overview】This sound and light siren alarm has a handle, easy to carry out and use.  Includes  remote controls, antenna and charger, the charger uses voltage AC100V-240V. Power switch on the side of the siren, turn on before use, built-in 5000mAh high capacity lithium battery, allowing the siren to alarm continuously for 8 hours. Power indicator allows you to keep track of the power usage! 【Loud Sounder】The alarm bell uses high-quality speakers, The alarm volume can be adjusted by the button on the side of the alarm (0-120dB). The alarm has 12 built-in sounds, you can select your favorite tone by the side button. There is also USB port available, you can upload your own sound to the siren 【Remote Range】In an open environment, the alarm system's remote control range is 2000 meters (1.24 miles). The alarm can be activated or deactivated via the remote control, but the remote distance may be reduced due to obstacles 【Audible &  Visual Alarm Siren】Strobe light of alarm siren us