Outdoor solar siren:light alarm with PIR motion sensor Remote control to arm and disarm easily Both sensors use quaternary infrared to ensure sufficient detection angle coverage. Moreover, the alarm will only be triggered when two infrared sensors capture the human body movement at the same time, which can greatly reduce false alarms SOLAR PANEL CHARGING: backup battery 1000mah rechargeable, optional external power supply to ensure sufficient power supply 20 wireless accessories can bu connected Colour:As Shown Material:plastic Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. / Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. voltage-Plug Type: AC220V-EU Plug / AC110V-US Plug Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br><br>Package Contents: 1 * Human Body Detector 2 * Remote Control 1 Pack * Screws Parts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.