Siren without beacon CW31

433 Smart Home Security System Sound And Light Wireless Outdoor Siren It is mainly used in pairing with the "alarm host". When the host is out of the armed state, any surrounding detector sends a wireless signal to the "alarm host", the host will immediately send a wireless signal to the wireless sound and light siren; the wireless sound and light siren will be sent immediately when received Sound and light alarm, wireless transmission distance is 200-300 meters. (This product can also be equipped with peripheral detector accessories to be used as a field alarm alone) Installation: Mainly installed indoor/outdoor under the eaves to alert neighbors and intimidate intruders when an alarm occurs. Function: Sound and light alarm system, a loud Siren Alarm and Strobe light use for Indoor or Outdoor, combined with wireless receiving/sound and light/sensing technology, when the sound and light siren is in police state, the inductive detector immediately sends a wireless signal to the siren, the siren immediately sounds and lights to remind neighbors and Intimidate the invaders to return empty-handed. Extra Features: Home burglar security alarm system can work as a host to add accessories, up to 60pcs sensors and 20pcs remote controls supportable, you can DIY the kit based on the need; as a wireless siren, it can be added to the alarm panel to work together. Power Mode: Built in battery 15V/500 mAh, home security siren can work about8 hours in case of power failure. It is more convenient to use battery to power, without the limit of installation place, even you can put the siren into the pocket, while working time will be more lasting by plugging into the outlet.