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Bosch

GCY42

24 months
battery service life
104 °F
operating temperature max
14 °F
operating temperature min
1 mW
output power
98 ft (29.9 m)
signal range
0.4 oz
weight

Documents

Operator Manual ↓
Official ✓ Verified source Jul 2026

Full specifications

Height in0.5 "
Includes(1) GCY42 Bluetooth® Tool Module
Length in1.2 "
MaterialPlastic
Weight0.2 lb (0.1 kg)
Width in1.2 "
Works WithBosch Connected-Ready Chargers, GAL18V-160C*, Bosch Connected-Ready Drill/Drivers, GSR18V-755C, GSR18V-535C, GSR18V-535FC*, Bosch Connected-Ready Grinders, GWS18V-13C, GWS18V-45C, GWS18V-45PSC, GWS18V-50PSC, GWX18V-13C*, Bosch Connected-Ready Hammers, GBH18V-34CQ, GBH18V36C, GBH18V-45C*, Bosch Connected-Ready Hammer Drill/Drivers, GSB18V-755C, GSB18V-535C*, Bosch Connected-Ready Impact Drivers, GDR18V-1800C, GDX18V-1800C*, GDX18V-1860C*, Bosch Connected-Ready Impact Wrenches, GDX18V-1800C*, GDX18V-1860C*, Bosch Connected-Ready Saws, GCM18V-12GDC, GKS18V-25C, GKS18V-25GC, GKT18V-20GC*, *Note, *See each tool's or charger's owner's manual for its App features

Every figure is traced to the manufacturer’s published data. ↗ opens the source.

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