Comfortable & stylish remote control design: RS1 Shock Collar remote control adopts multi-color running light display; safety lock prevents incorrect operation. Impressive professional functions: 99 levels of static shock; 16 levels of vibration; 8 levels of beep sound; Quasi-professional dog training products. Ultra-low power consumption:RS1 Electronic training collar low loss, automatic energy saving, shutdown standby time lasts 2 years; up to 15 days of use time. Battery capacity: Training Collar remote control--300mAh;Training Collar receiver--300mAh (high quality lithium ion polymer batteries). Intelligent charging protection mode: RS1 Shock Collar distant controls and receives resistance to high voltage charging; automatic reminder if it meets a ultra-high voltage charging RS1 E-Collar.