• Jail/Prison/Visitation Phone/Cord-free speakerphone design eliminates suicide risk in jail settings
• Single, stainless push button for initiating and terminating calls
• Large, stainless steel ADA keypad
• Adjustable volume button
• Large customizable instruction card area
• Tamper resistant locking system
• Mounting plate includes gasket which prevents moisture from entering phone
• Oversized line-wire entrance hole w/ moisture preventing gasket
• Designed with noise-reducing microphone which filters background noise

Technical Specifications
Ambient temperature: -40 ℃ ~ + 60 ℃
Relative humidity: ≤95% (at room temperature)
Atmospheric pressure: 80 ~ 110KPa
Signal voltage: DC48V
Standby operating current: ≤1mA
Frequency response: 300 ~ 3400 Hz
Ringing level: ≥80dB
Corrosion grade: WF2Protection class: IP54