Features:
1) Terminal specifications
2) Fuse and  diode protection with led or buzzer
3) DVC:2.5-10-50-250-1KV ±5% FS 10K/V
4) ACV:10-50-250-1KV±5% FS4K/V
5) DCA:0.1-2.5-25-250mA±5% FSΩx1Kx10x1(or continuity test)BATT:1.5V 
6) Dry battery test

how to measure
1) DVC
2) ACV
3) DCA
4) Resistance
5) Battery(1.5V)