ECO mode reduces radio frequency based on handset distance. Block nuisance and unknown calls, up to 100 numbers.
VTech ES2000 DECT Cordless Phone with Nuisance Call Blocker,Easy-to-Read
VTech ES2000 DECT Cordless Phone with Nuisance Call Blocker
VTech ES2000 DECT Cordless Phone with Nuisance Call Blocker Home Single Handset
Vtech CS1500 DECT Cordless Phone with Call Block, 1 Handset, Landline House Phon
Vtech EA5003 DECT Cordless Phone with Nuisance Call Blocker,Easy-To-Read Backlit
