Preset speed mode (high-mid-low speed).
A gentle, pulsed stimulus begins to increase at a rate

Specifically designed for patient comfort.
If the patient indicates perception, simply release the button. The stimulus stops immediately, but the numbers remain frozen on the face for about 3 minutes.

Convenient to operate
Maximum stimulus-- -80. Between 0-40, the patient feels ache and anesthesia, alive teeth nerve
Between 40-80, with above-mentioned reaction, part of teeth nerve dead 80, no above-mentioned reaction, dead teeth nerve

The device turns itself off in three minutes after operation (No wasted batteries. )

Battery-operated, Standard 9-Volt batteries, Extremely economical

Fully guaranteed for two year

Specifications
A. INPUT: DC 9.0V
B. OUTPUT: 80V (MAXIMUM)
C. CURRENT: 90mA.
D. VOLTAGE RANGE: DC 6.0-10.0V
E. SIZE: 186*38*24mm