Model：GT929

1. Battery :2 X 9V 

2. 6 type of Operation mode : （JEWELRY ,COIN,ARTIFACT,CUSTOM,ALL-METAL,PP）

3. Frequency :7.69KHz

4. Alarm mode :LCD and sound mode

5. Headphone jack: allows you to connect 3.5mm headphones

6. LCD screen with backlight: it can be used in dark places

7. Visual object ID of paragraph 9,1-99，Numerical object ID,4 kinds of sound identification ID

8. TYPE-C port

9：Ground balance 

Inner box：45X28.5X10CM

Outside carton box：52.5x30x47cm， 5pcs/carton