■ Rechargeable lithium-ion batteries do not need external power supply, and the integrated suitcase is easy to carry;
■ Easy to install pump head, easy to operate, easy to clean;
■ High performance portable driver, speed 0 ~ 1500rpm stepless speed regulation, reversible forward and reverse rotation;
■ Can collect high gravity, high viscosity liquid, can also collect suspension liquid containing solid particles;
■ Sampler can be stratified sampling, suction range of up to 8 meters.