S30 vs Air

	Quest S30	Quest Air
Technology	VLF	VLF
Frequency	13 kHz	10 kHz
Frequency Type	—	—
Frequency Tech	Single Frequency	Single Frequency
Weight	1.1 kg	0.9 kg
Price	—	—
Best For	Park, Backyard	Travel, Casual, Coins
Waterproof	Yes	Yes