Technical Data
Output: DC 9.0V
Current: 50mA
Voltage Range: DC 6.0-10.0V
Battery: 6F22 standard 9v
Size: 21*4*4 cm
Weight: 0.5kg
Preset speed mode: High-mid-low speed

Features
1. Powered by dry battery, it consumes less power and is more convenient.
2. The test frequency can be adjusted (press the speed adjustment button to select, there are different indicators corresponding to: High means high speed, Mid is medium speed, Low is low speed).
3. When the test subject is slightly sore and numb, the number on the screen will be automatically retained. For 3 minutes, this data is the electrical stimulation threshold for the tooth.
4. The maximum data displayed by the machine is 80. The measured tooth is acid within 00--40. Hemp, the painful feeling can be judged as a vital tooth, which is reactive within 40-80. It can be judged to be partially necrotic, and it can be judged as a dead tooth when it has not responded to 80.
5. It will automatically shut down after three minutes to save power.