... phase 5.Unobstructive Effective Range:400m6.Package:12CH receiver,transmitter,2 antennas,2 AV cables7.The ... degree ~ +50 degreeTx Dimension28*40*5.5mmPackage included12CH receiver, transmitter, 2 antennas, AV cable, TX cable, ... Express by UPS, DHL, TNT, EMS Warranty and Return: 1. Warranty for 1 year(Quality Problem Only)2 ... us first.5.We promise to return the goods within 15 days unconditionly.