The motion detector power by 1 9V batteries (not included). Place the PIR motion sensor at the entrance to your driveway or anywhere you want to be alerted to motion, it detects motion and sends a wireless signal to a handheld receiver from 918ft (280m) away.
eBay
The Flipo Wireless Security Alarm is a door alarm system with a keypad for entry security. It includes an alarm and operates wirelessly. The model is designed with one zone for monitoring. The alarm is new in the box and comes with free shipping.
eBay
Batteries are not included. Specifications：.
eBay
PG-505 WIFI GSM（2G） GPRS Alarm System We will work hard to find the best solution until you are satisfied. Support 8 languages：English, Chinese, German, Italian, Spanish, Russian,Polish, and French.
eBay
Pet immune motion PIR detector. Adjustable to three different sensitivity levels. Uses our SmartDetect algorithm to avoid false alarms from animals weighing less than 20kg. Eliminates false alarms from gear and electromagnetic interference using a FresnelTech optical component, made from POLY IR4 material and an Excelitas PIR sensor.
eBay
1. Compatible with Alexa and Google home: This alarm sysetm works with Amazon Alexa and Google Home for voice control ( Alexa and google home devices not included ). Just ask app Alexa on your phone to Arm / Disarm/ the whole system in a specific instruction. Remote control your Alarm system anywhere in the world with your smart cell phone, no need repeated operation! 2. WiFi & GSM Support and Auto Dialer Function: This alarm system support different alarm message info(APP Message Push / SMS Message / Voice monitoring / Sim card phone call).Wifi way. It will push alarm notification via free app when it is triggered. GSM Way: Insert 2G SIM card into the alarm system and save your phone number on it, then it will send message or call your cell phone when alarm alerts.
eBay
Programmable entry and exit delay. ItemFeatures Alarm Monitoring and Installation. 32 defensive zones containing up to three sensors in each. Phone line anti-cut function [warning sound alerts to line tampering].
eBay
Dustproof, waterproof and wear-resistant, durable 4. Sensitivity: -159DB 9. Battery life: 720 hours 10. Waterproof grade: IPX7 11. Current: 1A 13. Power: 5W 14. Battery capacity: 500mah 15. Size: about 70 x 35 x 20cm 17.
eBay