How much does this cost to the nearest dollar?

No Snooze Shock Alarm Clocks for Heavy Sleepers or Deaf - Electric Timer Digital Clock - Silent Sleep Trainer Clock - Smart Watch with Bluetooth APP, USB Wireless Charging Battery (APP Version)
APP VERSION - ZAP electronic pulse, NEVER NAP, WAKE UP INSTANTLY! Can set 5 different time, At set time, safe pulse current is released immediately, so that the wearer wakes up immediately, NO MORE SNOOZE. No, they don’t hurt but they definitely work! DEVELOP GOOD HABIT - With timed electric shocks, the brain generates aversion and remembers, and finally a conditioned reflex is formed, and you will automatically wake up whenever the set time is reached. SILENT ALARM will not affect others. STUDY / DRIVING SLEEPY - Auto ZAP

Price is $83.00

Price: $82.99