Danavox TERA 510 Completely In Canal digital programmable CIC type hearing aid. Hearing Aid Placed In the ear. It has 9 channel digital processing and 9 Band with 46 dB & 53dB gain. Battery size 10, Fitting range upto 100dBHL. Suitable for Mild to Severe hearing loss. SDA Plus Feedback Guard, DIR Control / Adaptive Directionality, Wind Barrier, ComfortFIT, Spectra, SNR, Datalogging, In-situ Audiometry, Easy-On, Nano –coating, MagnetPro, DAI, Wireless Programming, Control Vox, Tele Vox, Micro Vox, Inter-Ear Processing / Duo Synchronization.