Automatic keypad lock and manual program lock – prevents accidental changes to your settings Secure Lead Connection & Integrated Cable Organizer – keeps leads secure and neatly arranged Open Circuit Detector – a safety feature to avoid unexpected stimulation surges LCD Backlit Screen – user-friendly, modern color display for easy navigation and control Customizable Programs – 11 preset options and 3 manual settings for personalized use Work/Rest Ratio Alert – ensures you do not overexert your muscles Comfortable Stimulation – gentle and adjustable intensity settings for a soothing experience Rechargeable Li-ion Battery – portable and lightweight with an external charging option Treatment Record/Memory Mode – ample storage for a 90-day daily treatment schedule Dual Channel – two independent channels compatible with vaginal or anal electrodes, or four self-adhesive electrode pads