Using oxygen recombination technology : maintainance free. PbCaSn alloy for plate grids: less gassing, less self-discharging. High quality AGM separtor: extend cycle life and prevent micro short circuit. ABS material : increase the strength of battery container. (flame-retardent ABS is optional). High purity raw material : ensure low self discharge rate. Silver-coated copper terminals (T1, T2[..]

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A general purpose 40 pin 8051 evaluation board with just the bare essentials required for using a 8051 microcontroller - port extentions, crystal circuit, reset switch, power status and a general purpose LED. This board is perfect for building rapid prototypes and projects. The board provides port extensions for all ports and also provides an empty hole for each IO, where wires and connectors can [..]

It is a PIR+MW dual technology detector with pet-immunity detection.Utilizing patent pending Target Size Verification (TSV) technology, this state-of-the-art dual technology motion detector is able to immune the detection of domestic pet up to 18 kgs (40 lb). This dual technology detector provides not only the highest detection not only the highest detection reliability, but also aethestically ple[..]