Mini Ear-Hanging Microphone Click here for a larger image Frequency Respone Diagrams Click here for a larger image Lightweight, Comfortable & Durable Click here for a larger image Accessories Included Click here for a larger image Professional Power Industry-standard sound quality along wit...

About EBL EBL is a certified brand manufacture that produce EBL series general use battery such as AA/AAA/9V/C/D18650 rechargeable battery,many kinds of battery charger for different types battery.All products and packages are marked with EBL which can only enjoy the rights by seller and manufactur...

The Most comfortable replacement chest strap for heart rate measurement. This light training garment is compatible with most Polar (H1 and H7) and Garmin Soft Strap heart rate sensors, in addition, has been tested to work with Timex, and Suunto transmitters utilizing the same snap attachment method....

The Most comfortable replacement chest strap for heart rate measurement. This light training garment is compatible with most Polar (H1 and H7) and Garmin Soft Strap heart rate sensors, in addition, has been tested to work with Timex, and Suunto transmitters utilizing the same snap attachment method....

The Winters PEM series pressure gauge with brass wetted parts has a circular dial enclosed in a steel case and a male connection, and measures pressure with a dual scale (psi/kPa)/(Hg. vacuum/kPa) with an accuracy of + or - 3/2/3%. The brass wetted parts are for measuring non-corrosive liquid and ga...

The Winters PFQ series pressure gauge with brass wetted parts has a glycerin-filled circular dial enclosed in a stainless steel 304 case, and a male connection, and measures pressure with a single or dual scale with an accuracy of + or - 1.5% or 2.5%. The OT58 brass wetted parts are for measuring no...

The Genie intellicode 3-button remote is compatible with all Genie® intellicode (rolling code) hand-held transmitters made from 1998 to Present. It measures 2-1/2 inches by 1-3/4 inches and can either by clipped onto a key chain or used with the accompanying visor clip. It is a dual frequency remote...

Bring your electronic inventions to life! "This full-color book is impressive...there are some really fun projects!" -GeekDad, Wired.com Who needs an electrical engineering degree? This intuitive guide shows how to wire, disassemble, tweak, and re-purpose everyday devices quickly and easily. Packed...

An ideal first step for learning about ham radio Beyond operating wirelessly, today's ham radio operators can transmit data and pictures; use the Internet, laser, and microwave transmitters; and travel to places high and low to make contact. This hands-on beginner guide reflects the operational and...

It’s time we cleared the air about ham radio. If you think of it as staticky transmissions sent by people in the middle of nowhere, think again. Today’s ham radio goes beyond wireless to extreme wireless, Operators transmit data and pictures, use the Internet, laser, and microwave transmitters, and...