Radiolink PRM-01 Airplane Battery Voltage and similar items

SPECIFICATIONS Brand Name: Skyquist Origin: Mainland China Material: Composite Material RC Parts Accs: Crystals For Vehicle Type: Airplanes Use: Vehicles Remote Control Toys Upgrade Parts/Accessories: CVD Remote Control Peripherals/Devices: Starter Tool Supplies: Assembly Category Quantity: 1 pcs Technical parameters: Value 2 Model Number: PRM-01 Four-wheel Drive Attributes: Assemblage Wheelbase: Bottom Plate Features: Easy to connect, only need to connect to the receiver then can telemetry module voltage, no need flight controller or other external equipment and parameter settings. Telemetering module voltage to avoid battery overworking. Mini dimension, only 1.3"*0.87"*0.43" and as lightweight as 0.25oz make PRM-01 won't become your drone's burden. Compatible transmitter AT10II/AT10/AT9S Pro/AT9S/AT9, easy to connect with R12DS, R9DS (Old version receiver: R10DS, R10D, R9D). PRM-01 telemetry module is compatible with 1 cell to 6 cells battery(3.7~25.2V). Please note: This telemetry module for Airplane, Aircraft voltage transmission on transmitter's display, is applicable to AT9, AT9S, AT9S Pro AT10 or AT10II. When paired with flight module PRM-01, model voltage is displayed. Configurable sound/message/vibration alarms signal potential problems when low model voltage. A low model voltage alarm value can be customized. Specifications: Size: 4*2.7*1.3 cm Weight: 11g (including connector)