Amazon YoLink  
YoLink LoRa 1/4 Mile Wireless Range Smart Motion Detector, Indoor Motion Sensor, Motion Detector, Alexa, IFTTT, YoLink Hub Required
1/4 MILE EXTREME LONG RANGE, thanks to our unique LoRa-based wireless system. LoRa, short for Long Range is a new technology, superior to WiFi and older RF types, in range and obstruction-penetration. Capable of covering multiple floors, as well as multiple buildings on large properties.
THAT WAS EASY! Be up and running in minutes, with the Hub's convenient Plug, Plug & Play setup, and our super-fast Scan & Play QR code-scanning method of adding devices to the app. The Motion Sensor installs in moments and requires no tools, thanks to the built-in magnet. Mount the sensor directly to any metal surface, or use the included metal disc and 3M brand mounting tape. Couldn't be easier!
DOUBLE-DUTY! Your YoLink Motion Sensor can be configured to automate lighting while you are home, and protect against intrusion while you are away! Add Door Sensors, a Siren Alarm, and control your system from the app or use one of our smart fobs to arm and disarm your security system. Add one of our light switches and use the motion sensor to turn on lights when you enter the room, and turn them off later if no motion is detected.
KNOW NOW! You have many options for being notified of device activity! Receive a text, receive an email, receive a phone push notification (including Apple phone "Critical Alert" severe weather/Amber alert type notifications that will activate your phone even if in silent mode. Android phones offer similar functionality, depending on phone manufacturer). SMS messages are limited to the total of 5 times each device plus 5. A hub and two motion sensors provides you with 20 free SMS per month.
NO WIFI WORRIES! Many smart home products are WiFi-based, which appears convenient, but each WiFi device on your network is a security risk (a way for hackers to get into your home network). Not to mention, as you add more devices, your WiFi gets
YoLink LoRa 1/4 Mile Wireless Range Smart Motion Detector, Indoor Motion Sensor,
Amazon Silva  
Silva Compass Navigation - Expedition 4 - Scale 1:25k 1:40k 1:50k mm & inches - Navigation Compass for Advanced Users and Rescue Professionals - Rotatable Compass housing - Compass Hiking
The Expedition 4 compass is the ideal choice for outdoor enthusiasts and rescue workers who require advanced navigation tools. With its 1:25k, 1:40k, 1:50k, mm and inch map measuring scales, it offers top-level functionality for demanding situations.
This full-size baseplate compass is made for experienced navigators who require precise and advanced techniques. Its added GPS functionality and declination adjustment make it perfect for more challenging trips and rough terrains.
The Expedition 4 compass is built to last in the toughest weather conditions. Its robust materials and sapphire jewel bearing ensure durability and accuracy. It comes with a detachable lanyard for added safety and the silicon friction feet ensure that the compass reamains still on the map.
The magnifying lens and declination scale inside the capsule offer detailed map reading and navigation. Its patented red/black North/South lines provide ease of use and the rotatable compass housing makes it compatible with the Silva 1-2-3 navigation system.
The Expedition 4 compass is suitable for night navigation thanks to its luminous markings. It offers six hours of illumination after activation in light, making it a reliable choice for night time adventures.
Silva Compass Navigation - Expedition 4 - Scale 1:25k 1:40k 1:50k mm & inches -
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