HZ-1050 Wireless Module RFID Module 125KHz EM4100 ID Reader, US $22 – Picture 0

HZ-1050 Wireless Module RFID Module 125KHz EM4100 ID Reader, US $22 – Picture 1

Hz-1050 Wireless Module Rfid Module 125khz Em4100 Id Reader

US $22

ShenZhen, China
Nov 19th

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Home Electronic Component Chips Sensor Arduino Module Raspberry Pi HZ-1050 Wireless Module RFID Module 125KHz EM4100 ID Reader Description: 100% Brand new and high quality. Size: 32mm X22mm X30mm length * width * height The main chip: LM393, MQ135 gas sensing probe Operating voltage: DC 5V Signal output indicator instructions; Dual signal output (analog output, and TTL level output); TTL output valid signal is low; (output low signal light, which can be accessed microcontroller IO port) Analog output with increasing concentration, the higher the concentration, the higher the voltage; Sulfide, benzene Department of steam, smoke and other harmful gases with high sensitivity; Has a long life and reliable stability; Rapid response recovery characteristics; Applications: A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration range: 10 to 1000ppm Package Included: 1PCS*EM Module 1PCS*ID Card Payment Shipping Refund We accept PayPal only. But we only Accept your Ebay Address,Please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund. If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. On Nov-19-16 at 07:35:08 PST, seller added the following information:On Nov-19-16 at 07:35:09 PST, seller added the following information: