Product Description STRW240‑A is all‑in‑one integrated STS keypad prepaid multi‑jet dry‑dial water meter R100. Available in DN15/DN20/DN25 with brass or plastic body options. IP68 full waterproof design for underground, wet and harsh field environment. Equipped with detachable ER18505 lithium battery for 4‑6‑year service life. Support STS 20‑digit token recharge, up to 3‑step tiered water tariff. Auto valve‑close triggered by magnetic tamper interference, complete event log
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