Telephone line powered. Hearing aid compatible amplified handsets. Rotary handset volume control. 1 32-digit programmable speed dial number. Touch Tone and 10/20 pps pulse dialing. Non-volatile E2 memory (no batteries required). Restricts fraudulent calls from hand held dialers. Available in red or ash. Optional Q170600 ringer. Operates on a C.O. line or analog PABx/KSU extensions. Ring detection (will not dial on incoming calls). Programmable security code to enter programming mode. Touch tone programmable VK-K-1900-6 fits standard 500, 554, 2500, and 2554 set phones.
- Country of Origin: USA. Energy Star Qualified: No.
- Type of Packaging: Brown Box. RoHS Compliant: Yes.
- Warranty: 1 year.
- Color: Red.
- Dimensions: 9.75"Lx4.5"Wx6"H. Weight: 2.2 lbs.