Check the listing for details. 4 Cell Flight Pack Volt & Temp Sensor for OrangeRx,TM1000 & TM1100 Telemetry. Condition: New. Listed at 10.75 USD. 4 Cell Flight Pack Voltage & Temperature Sensor for Orange Telemetry receivers. Compatible with and work great with TM1000 and TM1100 Telemetry modules. Know what your battery pack is doing during flight? The OrangeRx Telemetry Voltage and Temperature Sensor will let you know. Very easy to install - no soldering - just connect and go. Know what your battery pack is doing during flight? The OrangeRx Telemetry Voltage and Temperature Sensor will let you know. Light weight, easy to install - no soldering - just connect and go. Features: • Battery voltage monitoring • Battery or ESC temperature monitoring • Mini Molex plug telemetry connection Specs: Flight Pack Voltage Range: 4S Temperature Range: -15°C~120°CShips same day as payment received. This item will ship USPS First Class mail. If you have any questions or concerns, please contact me via the secure Ebay message system. Always, a 100% refund guarantee. If you are not 100% pleased with your purchase, just return the item as received within 14 days for a full refund. Thanks for visiting and your interest.