color: .gray/orange/green/blue -Input: 100-240V, 50/60Hz -Output: 5V, 0.5A -Transmitter battery voltage: 3.7V Receiver waterproof level: IP67 -Battery type: lithium-ion battery    The package includes: 1 x remote transmitter 1 x receiver collar 1 x Adjustable collar 1 x test...