Sonoff Rfr2 โมดูลสวิตช์ไร้สาย 433 Mhz ควบคุมด้วยเสียงสําหรับ Google Home Amazon Alexa

Features of SONOFF RFR2
Sonoff RF switch is a Sonoff version with a 433.92MHz RF receiver module inside. This wireless switch can be used together with the RF remote controller which enables you to control appliances in indoor environment. The remote control switch allows users remote turn on/off connected appliances via app EWeLink from anywhere in the world.
SONOFF RF has been acquainted by a lot of smart home lovers. Based on it RFR2 as a new upgrade comes out. At this time SONOFF redesigned RFR2 that it has enhanced performance enhanced safety yet on at same price.
RFR2 is a 433MHz Wi-Fi DIY smart switch with “ETL CERTIFICATION” that provides users with easy smart home control. Similarly there are same features for them so that the upgraded RFR2 also supports users to access other smart features that the classic RFR2 supports including APP remote control hands-free voice control timing schedule smart scene sync status 433MHz RF control group control and LAN control. Simply put RFR2 has same functions and just differences in its appearance and internal performance. Let’s check the new changes for it!
The shell adopts flame-resistant LEXAN™ 940A PC resin material with UL-94 V0 class which can pass the ball-pressure test up to 125℃ and ensures a high heat-resistance and strong structural stability. Moisture and dust resistant no potential safety hazard in harsh weather. Engineer with the onboard antenna with over -30dBm of 2.4Gfull-band peak power that makes the signal reception sensitivity increased by 40%. The structure strictly controls the requirements of insulation micro disconnection and installation test to ensure the reliability and safety of RFR2. Even a heat shrinkable sleeve is used for the fuse to provide better electrical insulation.
Note: One Sonoff RFR2 can learn with 4 RF Remote buttons. The 5th RF button will cover the first button that has been learned.

•ETL Certified
•Remote ON/OFF–Turn electrical devices on/off from anywhere
•RF Remote control–Turn on/off by 433MHz RF Remote indoors
•App Support –Free iOS and Android mobile App eWeLink
•LAN Control –Turn on/off the device even when WiFi has no Internet access
•Sync Status–Real-time device status provided to App
•Timing–Set scheduled/countdown timers to turn on/off at specified time
•Share Control– Control your smart home together with your family
•Scene–Turn on/off a gang of devices with one tap
•Smart Scene–Triggered on/off by temp hum or other environmental conditions from sensor
•Compatibility –Works perfectly with Amazon Alexa Google Assistant IFTTT

Specification for Sonoff RFR2
•Input: 100-240V AC 50/60Hz;
•Output: 100-240V AC 50/60Hz;
•Max.Load: 10A/2200W;
•Gang: 1-gang;
•Wi-Fi: IEEE 802.11 b/g/n 2.4GHz;
•Meterial: PC;
•Box Size: 90X41X27mm;
•Weight: 59.0g