Description Control your mount wirelessly from a Phone, Tablet or PC The NEXUS II box is placed on the magnetic holder on the counterweight arm. One short cable connects it to the mount head. The placement and the quality of this adapter give you a very stable Wi-Fi connection with a good range. With this solution, you can control the mount from your iPhone, Android or Tablet using the Sky Safari App. Just click on the star map to have the mount go to the selected target. The mount handpad can be used simultaneously to slew the mount or make gotos. Specifications Up to 11 hours battery lifeRechargeable Lithium batteryOperating temperatures range from -20ºC – 50ºC (-4ºF – 120ºF)Supports SiTech communication protocolHandles TTL quadrature optical encoders with practically unlimited number of pulses per secondReverse polarity protectionOne USB portClass I WiFi device (up to 150 metres range)Works with planetarium software running on iOS, Android, Windows, and Mac OS XNexus-II can function as:Wireless DSCWireless DSC** with SiTech motor controllerUSB*** serial to WiFi adaptersUsing Nexus-II in combination with a planetarium software provides a cost effective yet very advanced DSC controller supporting all popular telescopes. Powered a rechargeable Lithium* battery or external power (5-9V DC), Nexus-II will be there when you need it. Both Access Point and Infrastructure (WPE/WPA/WPA2) WiFi network connections are supported. Included Items NEXUS-II adapter prepared with magnetic plate for installation USB-to-Serial cable to connect between NEXUS adapter and PC-port on the mount head. Short length that does not tangle. Power cable to charge the unit from a USB charger (5V).