!! Attention the article is no longer available !! You can find the successor here: https://dualoptik.de/produkt/pulsar-forward-fn455s/ The Pulsar Forward FN455 is a digital residual light amplifier attachment with CMOS sensor. The range is 500 m at night. Videos and photos can be recorded on the 16 GB memory. Depending on usage, the operating time is up to 9 hours. It also offers Wi-Fi and comes with an invisible IR illuminator.