This little system works great, I use it in my stair shop and use both sensors with the main unit in my office. Having 2 sensors is good for stairs. They have been used on their battery for at least a few months and are still working. I recommend using good quality Duracell or Energizer batteries.
Wireless Driveway Alarm System - Long Range 1/2 Mile with Solar Power & Weatherproof Design - Adjustable Sensitivities and Outdoor Motion Sensor for DIY Security Alert
11 Review
Stay Safe And Secure: Wireless Motion Sensor And Pager Bed Alarm For Elderly And Kids
19 Review
Optimized 433MHz Home Wireless PIR Infrared Motion Detector Sensor for Alarm System by KERUI
12 Review
Driveway Alarm Wireless Motion Detector Alarm 600 Feet Long Range Outdoor Weather Resistant Motion Sensor & Detector Security Alert System Monitor Protect Outside/Inside Property
36 Review
2 Pack Battery And Charger Kit Bundle For Olympus Tough TG-Tracker, TG-5, TG-2IHS, TG-3, TG-4 Waterproof Digital Camera Includes 2 Replacement (1500Mah) LI-90B, LI-92B Batteries + Charger + More
43 Review
Enhance Your Network Connection With Dingsun RJ45 Coupler - Compatible With Cat5, Cat5E, Cat6, And Cat7 Ethernet Cables (Black 10 Pcs)
35 Review
Fitbit Versa 3 Smartwatch Replacement Band: TOYOUTHS Elastic Nylon Fabric Strap For Women & Men
50 Review
Dingsun SVideo To HDMI Converter: 3RCA AV Support 1080P/720P Compatible With WII U, PS2/PS3, STB, Xbox & More!
43 Review