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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The D1 R2 is a mini wifi board based on ESP-8266EX
Focusable lens provides a sharply-defined field of view and increase detection distance
Mounting : Through Hole
This sensor measures object distance accurately
Siren Alarm (Loud Voice - 110dBA ) 12V NFC RFID Sticker The D1 R2 is aIntroduction : This is loud siren that can generate sound over 110 DBA, so do not make it close to your ears when you test. The siren Includes built in signal generator, just power on 6 12V and it will scream out loud. The siren is easy to use in your project and comes in very beautiful and eye catching colors. Specifications ITEM Value Voltage Range 6 : 16 v Nominal Current 160 mA Sound Output 110 DBA Operating Temperature 20 : 50 c Weight 80 g
US$ 25.70
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US$ 19.95